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The American Theater was a
theater Theatre or theater is a collaborative form of performing art that uses live performers, usually actors or actresses, to present the experience of a real or imagined event before a live audience in a specific place, often a stage. The perform ...
of operations during
World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposi ...
including all continental American territory, and extending into the ocean. Owing to North and South America's geographical separation from the central theaters of conflict (in
Europe Europe is a large peninsula conventionally considered a continent in its own right because of its great physical size and the weight of its history and traditions. Europe is also considered a subcontinent of Eurasia and it is located entirel ...
, the Mediterranean and Middle East, and the Pacific) the threat of an invasion of the continental U.S. or other areas in the Americas by the
Axis Powers The Axis powers, ; it, Potenze dell'Asse ; ja, 枢軸国 ''Sūjikukoku'', group=nb originally called the Rome–Berlin Axis, was a military coalition that initiated World War II and fought against the Allies. Its principal members were ...
was negligible and the theater saw relatively little conflict. However, despite the relative unimportance of the American Theater, some battles took place within it, including the
Battle of the River Plate The Battle of the River Plate was fought in the South Atlantic on 13 December 1939 as the first naval battle of the Second World War. The Kriegsmarine heavy cruiser , commanded by Captain Hans Langsdorff, engaged a Royal Navy squadron, command ...
, submarine attacks off the East Coast, the Aleutian Islands campaign, the
Battle of the St. Lawrence The Battle of the St. Lawrence involved marine and anti-submarine actions throughout the lower St. Lawrence River and the entire Gulf of Saint Lawrence, Strait of Belle Isle, Anticosti Island and Cabot Strait from May–October 1942, September ...
, and the attacks on Newfoundland. Espionage efforts included
Operation Bolívar Operation Bolívar was the codename for the German espionage in Latin America during World War II. It was under the operational control of Department VID 4 of Germany's Security Service, and was primarily concerned with the collection and trans ...
.


German operations


South America

''See also
Latin America during World War II During World War II, a number of significant economic, political, and military changes took place in Latin America. The war caused considerable panic in the region over economics as large portions of economy of the region depended on the European ...
''


Battle of the River Plate

The first naval battle during the war was fought on December 13, 1939, off the Atlantic coast of
South America South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a relatively small portion in the Northern Hemisphere at the northern tip of the continent. It can also be described as the sout ...
. The German "
pocket battleship The ''Deutschland'' class was a series of three ''Panzerschiffe'' (armored ships), a form of heavily armed cruiser, built by the ''Reichsmarine'' officially in accordance with restrictions imposed by the Treaty of Versailles. The ships of the cl ...
" (acting as a commerce raider) encountered one of the British naval units searching for her. Composed of three
Royal Navy The Royal Navy (RN) is the United Kingdom's naval warfare force. Although warships were used by English and Scottish kings from the early medieval period, the first major maritime engagements were fought in the Hundred Years' War against ...
cruisers, , , and , the unit was patrolling off the River Plate estuary of
Argentina Argentina (), officially the Argentine Republic ( es, link=no, República Argentina), is a country in the southern half of South America. Argentina covers an area of , making it the second-largest country in South America after Brazil, th ...
and
Uruguay Uruguay (; ), officially the Oriental Republic of Uruguay ( es, República Oriental del Uruguay), is a country in South America. It shares borders with Argentina to its west and southwest and Brazil to its north and northeast; while bordering ...
. In a bloody engagement, ''Admiral Graf Spee'' successfully repulsed the British attacks. Captain
Hans Langsdorff Hans Wilhelm Langsdorff (20 March 1894 – 20 December 1939) was a German naval officer, most famous for his command of the German pocket battleship ''Admiral Graf Spee'' during the Battle of the River Plate off the coast of Uruguay in 1939. ...
then brought his damaged ship to shelter in neutral Uruguay for repairs. However, British intelligence successfully deceived Langsdorff into believing that a much superior British force had now gathered to wait for him, and he
scuttled Scuttling is the deliberate sinking of a ship. Scuttling may be performed to dispose of an abandoned, old, or captured vessel; to prevent the vessel from becoming a navigation hazard; as an act of self-destruction to prevent the ship from being ...
his ship at Montevideo to save his crew's lives before committing suicide. German combat losses were 96 killed or wounded, against 72 British sailors killed and 28 wounded. Two Royal Navy cruisers had been severely damaged.


Submarine warfare

U-boat operations in the region (centered in the Atlantic Narrows between
Brazil Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area ...
and
West Africa West Africa or Western Africa is the westernmost region of Africa. The United Nations defines Western Africa as the 16 countries of Benin, Burkina Faso, Cape Verde, The Gambia, Ghana, Guinea, Guinea-Bissau, Ivory Coast, Liberia, Mali, M ...
) began in autumn 1940. After negotiations with Brazilian Foreign Minister
Osvaldo Aranha Oswaldo Euclides de Sousa Aranha (, 15 February 1894 – 27 January 1960) was a Brazilian politician, diplomat and statesman, who came to national prominence in 1930 under Getúlio Vargas. Considered a moderate by many in and outside of Brazil, ...
(on behalf of dictator
Getúlio Vargas Getúlio Dornelles Vargas (; 19 April 1882 – 24 August 1954) was a Brazilian lawyer and politician who served as the 14th and 17th president of Brazil, from 1930 to 1945 and from 1951 to 1954. Due to his long and controversial tenure as Brazi ...
), the
U.S. The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territori ...
introduced its
Air Force An air force – in the broadest sense – is the national military branch that primarily conducts aerial warfare. More specifically, it is the branch of a nation's armed services that is responsible for aerial warfare as distinct from an ...
along Brazil's coast in the second half of 1941. Germany and Italy subsequently extended their submarine attacks to include Brazilian ships wherever they were, and from April 1942 were found in Brazilian waters. On 22 May 1942, the first Brazilian attack (although unsuccessful) was carried out by Brazilian Air Force aircraft on the . After a series of attacks on merchant vessels off the Brazilian coast by , Brazil officially entered the war on 22 August 1942, offering an important addition to the Allied strategic position in the South Atlantic. Although the
Brazilian Navy ) , colors= Blue and white , colors_label= Colors , march= "Cisne Branco" ( en, "White Swan") (same name as training ship ''Cisne Branco'' , mascot= , equipment= 1 multipurpose aircraft carrier7 submarines6 frigates2 corvettes4 amphibious war ...
was small, it had modern minelayers suitable for coastal convoy escort and aircraft which needed only small modifications to become suitable for
maritime patrol {{Unreferenced, date=March 2008 Maritime patrol is the task of monitoring areas of water. Generally conducted by military and law enforcement agencies, maritime patrol is usually aimed at identifying human activities. Maritime patrol refers to ac ...
. During its three years of war, mainly in Caribbean and South Atlantic, alone and in conjunction with the U.S., Brazil escorted 3,167 ships in 614 convoys, totalling 16,500,000 tons, with losses of 0.1%. Brazil saw three of its warships sunk and 486 men killed in action (332 in the cruiser ''Bahia''); 972 seamen and civilian passengers were also lost aboard the 32 Brazilian merchant vessels attacked by enemy submarines. American and Brazilian air and naval forces worked closely together until the end of the Battle. One example was the sinking of in July 1943, by a coordinated action of Brazilian and American aircraft. Only in Brazilian waters, eleven other Axis submarines were known sunk between January and September 1943—the Italian and ten German boats: , , , , , , , , , and . By late 1943, the decreasing number of Allied shipping losses in South Atlantic coincided with the increasing elimination of Axis submarines operating there. From then, the battle in the region was lost for Germans, even with the most of remaining submarines in the region receiving official order of withdrawal only in August of the following year, and with (''Baron Jedburgh'') the last Allied merchant ship sunk by a U-boat (''U-532'') there, on 10 March 1945.


United States


Duquesne Spy Ring

Even before the war, a large Nazi spy ring was found operating in the United States. The Duquesne Spy Ring is still the largest espionage case in United States history that ended in convictions. The 33 German agents who formed the Duquesne spy ring were placed in key jobs in the United States to get information that could be used in the event of war and to carry out acts of sabotage. One man opened a restaurant and used his position to get information from his customers; another worked at an airline so he could report Allied ships crossing the
Atlantic Ocean The Atlantic Ocean is the second-largest of the world's five oceans, with an area of about . It covers approximately 20% of Earth's surface and about 29% of its water surface area. It is known to separate the " Old World" of Africa, Europe ...
; others in the ring worked as deliverymen so they could deliver secret messages alongside normal messages. The ring was led by Captain Fritz Joubert Duquesne, a South African
Boer Boers ( ; af, Boere ()) are the descendants of the Dutch-speaking Free Burghers of the eastern Cape frontier in Southern Africa during the 17th, 18th, and 19th centuries. From 1652 to 1795, the Dutch East India Company controlled this are ...
who spied for Germany in both World Wars and is best known as "The man who killed Kitchener" after he was awarded the
Iron Cross The Iron Cross (german: link=no, Eisernes Kreuz, , abbreviated EK) was a military decoration in the Kingdom of Prussia, and later in the German Empire (1871–1918) and Nazi Germany (1933–1945). King Frederick William III of Prussia es ...
for his key role in the sabotage and sinking of in 1916. William G. Sebold, a
double agent In the field of counterintelligence, a double agent is an employee of a secret intelligence service for one country, whose primary purpose is to spy on a target organization of another country, but who is now spying on their own country's organ ...
for the United States, was a major factor in the
FBI The Federal Bureau of Investigation (FBI) is the domestic intelligence and security service of the United States and its principal federal law enforcement agency. Operating under the jurisdiction of the United States Department of Justice, t ...
's successful resolution of this case. For nearly two years, Sebold ran a secret radio station in New York for the ring. Sebold provided the FBI with information on what Germany was sending to its spies in the United States while allowing the FBI to control the information that was being transmitted to Germany. On June 29, 1941, six months before the U.S. declared war, the FBI acted. All 33 spies were arrested, found or pled guilty, and sentenced to serve a total of over 300 years in prison.


Operation Pastorius

After declaring war on the United States following the
attack on Pearl Harbor The attack on Pearl HarborAlso known as the Battle of Pearl Harbor was a surprise military strike by the Imperial Japanese Navy Air Service upon the United States against the naval base at Pearl Harbor in Honolulu, Territory of Hawaii ...
,
Adolf Hitler Adolf Hitler (; 20 April 188930 April 1945) was an Austrian-born German politician who was dictator of Nazi Germany, Germany from 1933 until Death of Adolf Hitler, his death in 1945. Adolf Hitler's rise to power, He rose to power as the le ...
ordered the remaining German
saboteur Sabotage is a deliberate action aimed at weakening a polity, effort, or organization through subversion, obstruction, disruption, or destruction. One who engages in sabotage is a ''saboteur''. Saboteurs typically try to conceal their identiti ...
s to wreak havoc on America. The responsibility for carrying this out was given to German Intelligence ( Abwehr). In the spring of 1942, nine agents were recruited (one eventually dropping out) and divided into two teams. The first, commanded by George John Dasch, included
Ernst Peter Burger Ernst Peter Burger (September 1, 1906 – October 9, 1975) was a German-American who was a spy and saboteur for Germany during World War II. He was captured but escaped execution. He was deported to Germany in 1948. Operation Pastorius Born in ...
, Heinrich Heinck, and Richard Quirin; the second, under command of Edward Kerling, included Hermann Neubauer, Werner Thiel, and Herbert Haupt. On June 12, 1942, the landed Dasch's team with explosives and plans at Amagansett, New York. Their mission was to destroy power plants at Niagara Falls and three Aluminum Company of America ( ALCOA) factories in Illinois, Tennessee, and New York. However, Dasch instead turned himself in to the FBI, providing them with a complete list of his team members and an account of the planned missions, which led to their arrests. On June 17, Kerling's team landed from '' U-584'' at Ponte Vedra Beach, south-east of
Jacksonville, Florida Jacksonville is a city located on the Atlantic coast of northeast Florida, the most populous city proper in the state and is the List of United States cities by area, largest city by area in the contiguous United States as of 2020. It is the co ...
. They were ordered to place mines in four areas: the Pennsylvania Railroad in
Newark, New Jersey Newark ( , ) is the most populous city in the U.S. state of New Jersey and the seat of Essex County and the second largest city within the New York metropolitan area.St. Louis, Missouri St. Louis () is the second-largest city in Missouri, United States. It sits near the confluence of the Mississippi and the Missouri Rivers. In 2020, the city proper had a population of 301,578, while the bi-state metropolitan area, which e ...
, and
Cincinnati, Ohio Cincinnati ( ) is a city in the U.S. state of Ohio and the county seat of Hamilton County. Settled in 1788, the city is located at the northern side of the confluence of the Licking and Ohio rivers, the latter of which marks the state line wi ...
; and
New York City New York, often called New York City or NYC, is the most populous city in the United States. With a 2020 population of 8,804,190 distributed over , New York City is also the most densely populated major city in the Un ...
's water supply pipes. The team members made their way to Cincinnati and then split up, two going to
Chicago, Illinois (''City in a Garden''); I Will , image_map = , map_caption = Interactive Map of Chicago , coordinates = , coordinates_footnotes = , subdivision_type = Country , subdivision_name ...
, and the others to New York. Dasch's confession led to the arrest of all of the men by July 10. Because the German agents were captured in civilian clothes (though they had landed in uniforms), they were tried by a
military tribunal Military justice (also military law) is the legal system (bodies of law and procedure) that governs the conduct of the active-duty personnel of the armed forces of a country. In some nation-states, civil law and military law are distinct bod ...
in
Washington D.C. ) , image_skyline = , image_caption = Clockwise from top left: the Washington Monument and Lincoln Memorial on the National Mall, United States Capitol, Logan Circle, Jefferson Memorial, White House, Adams Morgan, Na ...
, with six of them sentenced to death for
spying Espionage, spying, or intelligence gathering is the act of obtaining Secrecy, secret or Confidentiality, confidential information (Intelligence assessment, intelligence) from non-disclosed sources or divulging of the same without the Consent ...
. President
Franklin D. Roosevelt Franklin Delano Roosevelt (; ; January 30, 1882April 12, 1945), often referred to by his initials FDR, was an American politician and attorney who served as the 32nd president of the United States from 1933 until his death in 1945. As the ...
approved the sentences. The constitutionality of military tribunals was upheld by the
U.S. Supreme Court The Supreme Court of the United States (SCOTUS) is the highest court in the federal judiciary of the United States. It has ultimate appellate jurisdiction over all U.S. federal court cases, and over state court cases that involve a point o ...
in '' Ex parte Quirin'' on July 31, and the six men were executed by electrocution at the
D.C. jail The District of Columbia Jail or the D.C. Central Detention Facility (commonly referred to as the D.C. Jail) is a jail run by the District of Columbia Department of Corrections in Washington, D.C., United States. The Stadium–Armory station s ...
on August 8. Dasch and Burger were given thirty-year prison sentences because they had turned themselves in to the FBI and provided information about the others. Both were released in 1948 and deported to Germany. Dasch (aka George Davis), who had been a longtime American resident before the war, suffered a difficult life in Germany after his return from U.S. custody because he had betrayed his comrades to the U.S. authorities. As a condition of his deportation, he was not permitted to return to the United States, even though he spent many years writing letters to prominent American authorities (J. Edgar Hoover, President Eisenhower, etc.) seeking permission to return. He eventually moved to Switzerland and wrote a book, titled ''Eight Spies Against America''.


Operation Magpie

In 1944 another attempt at infiltration was made, codenamed Operation Elster ("Magpie"). Elster involved
Erich Gimpel Erich Gimpel (25 March 1910 in Merseburg – 3 September 2010 in São Paulo) was a German spy during World War II. Together with William Colepaugh, he took part in Operation Elster ("Magpie") an espionage mission to the United States in 1944, but ...
and German-American defector William Colepaugh. Their mission's objective was to gather intelligence on a variety of military subjects and transmit it back to Germany by a radio to be constructed by Gimpel. They sailed from Kiel on and landed at Hancock Point, Maine, on November 29, 1944. Both then made their way to New York, but the operation soon collapsed. Colepaugh lost his nerve and turned himself in to the FBI on December 26, confessing the whole plan and naming Gimpel. Gimpel was then arrested four days later in New York. Both men were sentenced to death, but eventually their sentences were commuted. Gimpel spent 10 years in prison, while Colepaugh was released in 1960 and operated a business in
King of Prussia, Pennsylvania King of Prussia (also referred to as KOP) is a census-designated place in Upper Merion Township in Montgomery County, Pennsylvania, United States. As of the 2020 census, its population was 22,028. The community took its unusual name in the 18th ...
, before he retired to Florida.


Nazi landings in Canada


St. Martins, New Brunswick

One month earlier than the Dasch operation (on May 14, 1942), a solitary Abwehr agent, Marius A. Langbein, was landed by a U-boat () near St. Martins, New Brunswick, Canada. His mission, codenamed Operation Grete, after the name of the agent's wife, was to observe and report shipping movements at Montreal and Halifax, Nova Scotia (the main departure port for North Atlantic convoys). Langbein, who had lived in Canada before the war, changed his mind and moved to Ottawa, where he lived off his Abwehr funds until he surrendered to the Canadian authorities in December 1944. A jury found Langbein not guilty of spying, since he had never committed any hostile acts against Canada during the war.


New Carlisle, Quebec

In November 1942, sank two iron ore freighters and damaged another off Bell Island in Conception Bay, Newfoundland, en route to the Gaspé Peninsula where, despite an attack by a
Royal Canadian Air Force The Royal Canadian Air Force (RCAF; french: Aviation royale canadienne, ARC) is the air and space force of Canada. Its role is to "provide the Canadian Forces with relevant, responsive and effective airpower". The RCAF is one of three environm ...
aircraft, it successfully landed a spy, Werner von Janowski, four miles (6.5 km) from New Carlisle, Quebec, at around 5am on November 9, 1942. Von Janowski showed up at the New Carlisle Hotel at 06:30 and checked in under the alias of William Brenton. The son of the hotel owner, Earle Annett Jr., grew suspicious of him, because of inconsistencies with the German spy's story. He used an out-of-circulation Canadian note when paying his bill to the owner's son and when he left to wait at the train station the suspicious son of the hotelier followed him. There Annett grew more suspicious and he alerted a Quebec Provincial Police constable, Alfonse Duchesneau, who quickly boarded the train as it pulled away from the station and began searching for the stranger. Duchesneau located von Janowski, who said he was a radio salesman from
Toronto Toronto ( ; or ) is the capital city of the Canadian province of Ontario. With a recorded population of 2,794,356 in 2021, it is the most populous city in Canada and the fourth most populous city in North America. The city is the anch ...
. He stuck with this story until the policeman asked to search his bags; the stranger then confessed: "That will not be necessary. I am a German officer who serves his country as you do yourself." Inspection of von Janowski's personal effects upon his arrest revealed that he was carrying a powerful radio transmitter, among other things. Von Janowski spent the next year as a double agent, codenamed ''WATCHDOG'' by the Allies and ''Bobbi'' by the Abwehr, sending false messages to Germany under the joint control of the
RCMP The Royal Canadian Mounted Police (RCMP; french: Gendarmerie royale du Canada; french: GRC, label=none), commonly known in English as the Mounties (and colloquially in French as ) is the federal and national police service of Canada. As poli ...
and
MI5 The Security Service, also known as MI5 ( Military Intelligence, Section 5), is the United Kingdom's domestic counter-intelligence and security agency and is part of its intelligence machinery alongside the Secret Intelligence Service (MI6), G ...
, with spymaster Cyril Mills having been seconded to Canada to assist in the double cross initiative. The effectiveness and honesty of his "turn" is a matter of some dispute. For example, John Cecil Masterman wrote in ''The Double Cross System'': "In November, WATCHDOG was landed from a U-boat in Canada together with a wireless set and an extensive questionnaire. This move on the part of the Germans threatened an extension of our activities to other parts of the world, but in fact the case did not develop very satisfactorily... WATCHDOG was closed down in the summer f 1943"


German landings in Newfoundland


Weather Station Kurt, Martin Bay

Accurate weather reporting was important to the sea war and on September 18, 1943, sailed from
Kiel Kiel () is the capital and most populous city in the northern German state of Schleswig-Holstein, with a population of 246,243 (2021). Kiel lies approximately north of Hamburg. Due to its geographic location in the southeast of the Jutland ...
, via
Bergen Bergen (), historically Bjørgvin, is a city and municipality in Vestland county on the west coast of Norway. , its population is roughly 285,900. Bergen is the second-largest city in Norway. The municipality covers and is on the peninsula o ...
, Norway, with a meteorological team led by Professor Kurt Sommermeyer. They landed at Martin Bay, a remote location near the northern tip of
Labrador , nickname = "The Big Land" , etymology = , subdivision_type = Country , subdivision_name = Canada , subdivision_type1 = Province , subdivision_name1 ...
on October 22, 1943, and successfully set up an automatic weather station (" Weather Station Kurt" or "''Wetter-Funkgerät Land-26''"), despite the constant risk of Allied air patrols. The station was powered by batteries that were expected to last about three months. At the beginning of July 1944, left Bergen to replace the equipment, but was sunk en route. The weather station remained at the site until it was recovered in the 1980s and placed in the
Canadian War Museum The Canadian War Museum (french: link=no, Musée canadien de la guerre; CWM) is a national museum on the country's military history in Ottawa, Ontario, Canada. The museum serves as both an educational facility on Canadian military history, in ad ...
.


U-boat operations


Atlantic Ocean

The Atlantic Ocean was a major strategic battle zone (the " Battle of the Atlantic") and when Germany declared war on the U.S., the East Coast of the United States offered easy pickings for German
U-boat U-boats were naval submarines operated by Germany, particularly in the First and Second World Wars. Although at times they were efficient fleet weapons against enemy naval warships, they were most effectively used in an economic warfare ro ...
s (referred to as the " Second Happy Time"). After a highly successful foray by five Type IX long-range U-boats, the offensive was maximized by the use of short-range Type VII U-boats, with increased fuel stores, replenished from supply U-boats called ''Milchkühe'' (milk cows). From February to May 1942, 348 ships were sunk, for the loss of two U-boats during April and May. U.S. naval commanders were reluctant to introduce the convoy system that had protected trans-Atlantic shipping and, without coastal blackouts, shipping was silhouetted against the bright lights of American towns and cities such as Atlantic City until a dim-out was ordered in May. The cumulative effect of this campaign was severe; a quarter of all wartime sinkings – 3.1 million tons. There were several reasons for this. The American naval commander, Admiral
Ernest King Ernest Joseph King (23 November 1878 – 25 June 1956) was an American naval officer who served as Commander in Chief, United States Fleet (COMINCH) and Chief of Naval Operations (CNO) during World War II. As COMINCH-CNO, he directed the U ...
, as an apparent anglophobe, was averse to taking British recommendations to introduce convoys, U.S. Coast Guard and Navy patrols were predictable and could be avoided by U-boats, inter-service co-operation was poor, and the U.S. Navy did not possess enough suitable escort vessels (British and Canadian warships were transferred to the U.S. east coast).


U.S. East Coast

Several ships were torpedoed within sight of East Coast cities such as New York and
Boston Boston (), officially the City of Boston, is the state capital and most populous city of the Commonwealth of Massachusetts, as well as the cultural and financial center of the New England region of the United States. It is the 24th- mo ...
. The only documented World War II sinking of a U-boat close to New England shores occurred on May 5, 1945, when the torpedoed and sank the collier off
Newport, Rhode Island Newport is an American seaside city on Aquidneck Island in Newport County, Rhode Island. It is located in Narragansett Bay, approximately southeast of Providence, south of Fall River, Massachusetts, south of Boston, and northeast of New Yor ...
. When ''Black Point'' was hit, the U.S. Navy immediately chased down the sub and began dropping depth charges. In recent years, ''U-853'' has become a popular dive site. Its intact hull, with open hatches, is located in of water off Block Island, Rhode Island. A wreck discovered in 1991 off the New Jersey coast was concluded in 1997 to be that of . Previously, ''U-869'' had been thought to have been sunk off Rabat,
Morocco Morocco (),, ) officially the Kingdom of Morocco, is the westernmost country in the Maghreb region of North Africa. It overlooks the Mediterranean Sea to the north and the Atlantic Ocean to the west, and has land borders with Algeria t ...
.


U.S. Gulf of Mexico

Once convoys and air cover were introduced in the Atlantic, sinking numbers were reduced and the U-boats shifted to attack shipping in the
Gulf of Mexico The Gulf of Mexico ( es, Golfo de México) is an ocean basin and a marginal sea of the Atlantic Ocean, largely surrounded by the North American continent. It is bounded on the northeast, north and northwest by the Gulf Coast of the United ...
. During 1942 and 1943, more than 20 U-boats operated in the Gulf of Mexico. They attacked tankers transporting oil from ports in Texas and Louisiana, successfully sinking 56 vessels. By the end of 1943, the U-boat attacks diminished as the merchant ships began to travel in armed convoys. In one instance, the tanker ''Virginia'' was torpedoed in the mouth of the
Mississippi River The Mississippi River is the second-longest river and chief river of the second-largest drainage system in North America, second only to the Hudson Bay drainage system. From its traditional source of Lake Itasca in northern Minnesota, it fl ...
by the on May 12, 1942, killing 26 crewmen. There were 14 survivors. Again, when defensive measures were introduced, ship sinkings decreased. was the only U-boat sunk in the Gulf of Mexico during the war. Once thought to have been sunk by a torpedo dropped from a U.S. Coast Guard Utility Amphibian J4F aircraft on August 1, 1942, ''U-166'' is now believed to have been sunk two days earlier by depth charges from the passenger ship 's naval escort, the U.S. Navy sub-chaser, '' PC-566''. It is thought that the J4F aircraft may have spotted and attacked another German submarine, , which was operating in the area at the same time. ''U-166'' lies in of water within a mile (1,600 m) of her last victim, ''Robert E. Lee''.


Canada

From the start of the war in 1939 until VE Day, several of Canada's Atlantic coast ports became important to the resupply effort for the United Kingdom and later for the Allied land offensive on the Western Front. Halifax and Sydney, Nova Scotia, became the primary convoy assembly ports, with Halifax being assigned the fast or priority convoys (largely troops and essential material) with the more modern merchant ships, while Sydney was given slow convoys which conveyed bulkier material on older and more vulnerable merchant ships. Both ports were heavily fortified with shore radar emplacements, searchlight batteries, and extensive coastal artillery stations all manned by RCN and Canadian Army regular and reserve personnel. Military intelligence agents enforced strict blackouts throughout the areas and anti-torpedo nets were in place at the harbor entrances, making a direct attack on those facilities unfeasible because it was impossible for Germany to provide air support. Even though no landings of German personnel took place near these ports, there were frequent attacks by U-boats on convoys departing for Europe once these had reached the mouth of the St. Lawrence. Less extensively used, but no less important, was the port of Saint John which also saw matériel funneled through the port, largely after the United States entered the war in December 1941. The port's location within the protected waters of the Bay of Fundy made it a difficult target for attack. The Canadian Pacific Railway mainline from central Canada (which crossed the state of
Maine Maine () is a state in the New England and Northeastern regions of the United States. It borders New Hampshire to the west, the Gulf of Maine to the southeast, and the Canadian provinces of New Brunswick and Quebec to the northeast and ...
) could be used to transport in aid of the war effort. Although not crippling to the Canadian war effort, given the country's rail network to the east coast ports, but possibly more destructive to the morale of the Canadian public, was the
Battle of the St. Lawrence The Battle of the St. Lawrence involved marine and anti-submarine actions throughout the lower St. Lawrence River and the entire Gulf of Saint Lawrence, Strait of Belle Isle, Anticosti Island and Cabot Strait from May–October 1942, September ...
, when U-boats began to venture upriver and attack domestic coastal shipping along Canada's east coast in the
St. Lawrence River The St. Lawrence River (french: Fleuve Saint-Laurent, ) is a large river in the middle latitudes of North America. Its headwaters begin flowing from Lake Ontario in a (roughly) northeasterly direction, into the Gulf of St. Lawrence, connecting ...
and Gulf of St. Lawrence from early 1942 through to the end of the shipping season in late 1944. From a German perspective this area contained most of the military assets in North America that could realistically be targeted for attack, and therefore the St. Lawrence was the only zone that saw consistent warfare—albeit on a limited scale—in North America during World War II. Residents along the Gaspé coast and the St. Lawrence River and Gulf of St. Lawrence were startled at the sight of maritime warfare off their shores, with ships on fire and explosions rattling their communities, while bodies and debris floated ashore. The number of military losses is not known, although loose estimates can be made based on the number of surface units and submarines sunk.


Newfoundland

Five significant attacks on Newfoundland took place in 1942. On 3 March 1942, launched three torpedoes at St. John's; one hit
Fort Amherst Fort Amherst, in Medway, South East England, was constructed in 1756 at the southern end of the Brompton lines of defence to protect the southeastern approaches to Chatham Dockyard and the River Medway against a French invasion. Fort Amherst is ...
and two more hit the cliffs of Signal Hill below Cabot Tower. In autumn German U-boats attacked four iron ore carriers serving the DOSCO iron mine at Wabana on Bell Island in Newfoundland's Conception Bay. The ships SS ''Saganaga'' and SS ''Lord Strathcona'' were sunk by on 5 September 1942, while SS ''Rose Castle'' and ''P.L.M 27'' were sunk by on 2 November with the loss of 69 lives. After the sinkings the submarine fired a torpedo that missed its target, the 3,000-ton collier ''Anna T'', and struck the DOSCO loading pier and exploded. On 14 October 1942, the
Newfoundland Railway The Newfoundland Railway operated on the island of Newfoundland from 1898 to 1988. With a total track length of , it was the longest narrow-gauge railway system in North America. Early construction ] In 1880, a committee of the Newfoundland Leg ...
ferry was torpedoed by and sunk in the
Cabot Strait Cabot Strait (; french: détroit de Cabot, ) is a strait in eastern Canada approximately 110 kilometres wide between Cape Ray, Newfoundland and Cape North, Cape Breton Island. It is the widest of the three outlets for the Gulf of Saint L ...
south of Port aux Basques. ''Caribou'' was carrying 45 crew and 206 civilian and military passengers. One hundred thirty-seven lost their lives, many of them Newfoundlanders. Half a dozen U-boat wrecks lie in waters around Newfoundland and Labrador, destroyed by Canadian patrols.


Caribbean

A German submarine shelled the American Standard Oil refinery at the San Nicolas harbour and the "Arend"/"Eagle" Maatschappij (from the Dutch/British Shell Co.) near the Oranjestad harbour situated on the Island of Aruba (a Dutch colony) and some ships that were near the entrance to Lake Maracaibo on February 16, 1942. Three Tanker (ship), tankers, including the Venezuelan ''Monagas'', were sunk. A Venezuelan gunboat, , assisted in rescuing the crews. A German submarine shelled the island of Mona, Puerto Rico, Mona, some from the main island of Puerto Rico, on March 2.


Central America

Before 1941, the Central American nations had various diplomatic ties with Nazi Germany and the Empire of Japan. After the attack on Pearl Harbor, they declared war on the Axis nations. The Central American nations joined the Allied side, broke diplomatic relations with the Axis nations, and initiated persecutions of German and Italian immigrants. During the course of the war, several merchant ships were sunk in the Caribbean by U-boat, German submarines, for example the Tela, a Honduran cargo ship sunk by a U-504 submarine in 1942. This led the country to carry out constant air patrols over the coasts under fear of the approach of more German submarines or the general fear of an attack by Germany. Other Central American cargo ships sunk by U-boats are the ''Olancho,'' the ''Comayagua'', and the ''Bluefields'', of Honduran and Nicaraguan origins. Central American volunteers in the United States Army participated in both the European and Asia Pacific theater.


Japanese operations


Aleutian Islands Campaign

Before Operation MI could be carried out, the Japanese decided to take the Aleutian Islands. On June 3–4, 1942, Japanese planes from two light carriers and Battle of Dutch Harbor, struck the U.S. against the city of Unalaska, Alaska, at Dutch Harbor in the Aleutian Islands. Originally, the Japanese planned to attack Dutch Harbor simultaneously with its Battle of Midway, attack on Midway, but the Midway attack was delayed by one day. The attack only did moderate damage on Dutch Harbor, but 43 Americans were killed and 50 others wounded in the attack. On June 6, two days after the bombing of Dutch Harbor, 500 Japanese marines landed on Kiska, one of the Aleutian Islands of Alaska. Upon landing, they killed two and captured eight United States Navy Officer (armed forces), officers, then seized control of American soil for the first time. The next day, a total of 1,140 Japanese infantrymen landed on Attu Island, Attu via Holtz Bay, eventually reaching Massacre Bay (Alaska), Massacre Bay and Chichagof Harbor. Attu's population at the time consisted of 45 Alaska Native Aleuts, and two white Americans – Charles Foster Jones, a 60-year-old Amateur radio, ham radio operator and weather observer, and his 62-year-old wife Etta, a teacher and nurse. The Japanese killed Charles Jones after interrogating him, while Etta Jones and the Aleut population were sent to Japan, where 16 of the Aleuts died and Etta survived the war. A year after Japan's occupation of Kiska and Attu, U.S. troops Battle of Attu, invaded Attu on May 11, 1943 and successfully retook the island after three weeks of fighting, killing 2,351 Japanese combatants and taking only 28 as Prisoner of war, prisoners of war at the cost of 549 lives. Three months later on August 15, U.S. and Canadian forces Operation Cottage, landed on Kiska expecting the same resistance like Attu; they later found the entire island empty, as most of the Japanese forces secretly evacuated weeks before the landing. In spite of enemy absence on the island, over 313 Allied casualties were sustained nonetheless through Traffic collision, car accidents, booby traps, Land mine, landmines, and friendly fire, in which 28 Americans and four Canadians were killed in the exchange of fire between the two forces.


Submarine operations

Several ships were torpedoed within sight of West Coast of the United States, West Coast Californian cities such as Los Angeles, Santa Barbara, California, Santa Barbara, San Diego, and Santa Monica. During 1941 and 1942, more than 10 Japanese submarines operated in the West Coast and Baja California. They attacked American, Canadian, and Mexican ships, successfully sinking over 10 vessels including the Soviet Navy submarine ''L-16'' on October 11, 1942.


Bombardment of Ellwood

The Continental America, United States continent was first Bombardment, shelled by the Axis on February 23, 1942, when the attacked the Ellwood Oil Field west of Goleta, California, Goleta, near Santa Barbara, California. Although only a pumphouse and catwalk at one oil well were damaged, ''I-17'' Captain Nishino Kozo radioed Tokyo that he had left Santa Barbara in flames. No casualties were reported and the total cost of the damage was officially estimated at approximately $500–1,000. News of the shelling triggered an Battle of Los Angeles, invasion scare along the West Coast.


Bombardment of Estevan Point Lighthouse

More than five Japanese submarines operated in Western Canada during 1941 and 1942. On June 20, 1942, the , under the command of Yokota Minoru, fired 25–30 rounds of 5.5-inch shells at the Estevan Point lighthouse on Vancouver Island in British Columbia, but failed to hit its target. Though no casualties were reported, the subsequent decision to turn off the lights of outer stations caused difficulties for coastal shipping activity.


Bombardment of Fort Stevens

In what became the second attack on a continental American military installation during World War II, the , under the command of Tagami Akiji, surfaced near the mouth of the Columbia River in Oregon on the night of June 21 and June 22, 1942, and fired shells toward Fort Stevens (Oregon), Fort Stevens. The only damage officially recorded was to a baseball, baseball field's backstop. Probably the most significant damage was a shell that damaged some large phone cables. The Fort Stevens gunners were refused permission to return fire for fear of revealing the guns' location and/or range limitations to the sub. American aircraft on training flights spotted the submarine, which was subsequently attacked by a U.S. bomber, but escaped.


Lookout Air Raids

The Lookout Air Raids occurred on September 9, 1942. The second location to be subject to Airstrike, aerial bombing in the continental United States by a foreign power occurred when an attempt to start a forest fire was made by a Japanese Yokosuka E14Y, Yokosuka E14Y1 "Glen" seaplane dropping two incendiary bombs over Mount Emily, near Brookings, Oregon. The seaplane, piloted by Nobuo Fujita, had been launched from the Japanese submarine aircraft carrier ''I-25''. No significant damage was officially reported following the attack, nor after a repeat attempt on September 29.


Fire balloon attacks

Between November 1944 and April 1945, the Japanese Navy launched over 9,000 fire balloons toward North America. Carried by the recently discovered Pacific jet stream, they were to sail over the Pacific Ocean and land in North America, where the Japanese hoped they would start forest fires and cause other damage. About three hundred were reported as reaching North America, but little damage was caused. Near Bly, Oregon, six people (five children and a woman) became the only deaths due to an enemy balloon bomb attack in the United States when Fire balloon#Single lethal attack, a balloon bomb exploded. The site is marked by a stone monument at the Mitchell Recreation Area in the Fremont-Winema National Forest. A fire balloon is also considered to be a possible cause of the third fire in the Tillamook Burn in Oregon. One member of the 555th Parachute Infantry Battalion (United States), 555th Parachute Infantry Battalion died while responding to a fire in the Umpqua National Forest near Roseburg, Oregon, on August 6, 1945; other casualties of the 555th were two fractures and 20 other injuries.


Cancelled Axis operations


Germany

In 1940, the Air Ministry (Germany), German Air Ministry secretly requested designs from the major German aircraft companies for its ''Amerikabomber'' program, in which a long-range strategic bomber would strike the continental United States from the Azores (more than away). Planning was complete in 1942 with the submittal of the program to Goering's Reich Air Ministry, RLM offices in March 1942, resulting in cogent piston-engined designs from Focke-Wulf Ta 400, Focke-Wulf, Heinkel He 277, Heinkel, Junkers Ju 390, Junkers and Messerschmitt Me 264, Messerschmitt (who had built the ultra-long-range Messerschmitt Me 261 before WW II), but by mid-1944 the project had been abandoned as too expensive, with a serious increase in Emergency Fighter Program, the need for defensive fighters, needing to come from Nazi Germany's by-then rapidly diminishing aviation production capacity. Hitler had ordered that biological warfare should be studied only for the purpose of defending against it. The head of the Science Division of the Wehrmacht, Erich Schumann, lobbied for Hitler to be persuaded otherwise: "America must be attacked simultaneously with various human and animal epidemic pathogens, as well as plant pests." The plans were never adopted because they were opposed by Hitler.


Italy

An Italian naval commander Junio Valerio Borghese devised a plan to attack New York harbor with Midget submarine, midget submarines; however, as the tides of war changed against Italy, the plan was postponed and later scrapped.


Japan

Just after the
attack on Pearl Harbor The attack on Pearl HarborAlso known as the Battle of Pearl Harbor was a surprise military strike by the Imperial Japanese Navy Air Service upon the United States against the naval base at Pearl Harbor in Honolulu, Territory of Hawaii ...
, a force of seven Japanese submarines patrolled the United States West Coast. The Wolfpack (naval tactic), Wolfpack made plans to bombard targets in California on Christmas Eve or Christmas Day of 1941. However, the attack was postponed to December 27 in order to avoid attacking during the Christian festival and offending German and Italian allies. Eventually the plan was canceled altogether for fears of American reprisal. In 1946, an unexploded Japanese torpedo was found near the Golden Gate Bridge, and it has been interpreted as evidence of an attack, potentially targeting the bridge itself, in late December of 1941. The Japanese constructed a plan early in the Pacific War to I-400-class submarine#Panama Canal strike, attack the Panama Canal, a vital water passage in Panama, used during World War II primarily for the Allied supply effort. The Japanese attack was never launched because Japan suffered crippling naval losses at the beginning of conflict with the United States and United Kingdom (See: Aichi M6A). The Imperial Japanese Army launched Project Z (bomber project), Project Z (also called the Z Bombers Project) in 1942, similar to the Nazi German Amerika Bomber project, to design an intercontinental bomber capable of reaching North America. The Project Z plane was to have six engines of 5,000 horsepower each; the Nakajima Aircraft Company quickly began developing engines for the plane, and proposed doubling HA-44 engines (the most powerful engine available in Japan) into a 36-cylinder engine. Designs were presented to the Imperial Japanese Army, including the Nakajima G10N, Kawasaki Ki-91, and Nakajima G5N. None developed beyond prototypes or wind tunnel models, save for the G5N. In 1945, the Z project and other heavy bomber projects were cancelled. During the final months of World War II, Japan had planned to use bubonic plague as a biological weapon against U.S. civilians in San Diego, California, during Operation Cherry Blossoms at Night. The plan was set to launch at night on September 22, 1945. However, it was shelved because surrender of Japan, Japan surrendered on August 15, 1945.


Other alarms


False alarms

These false alarms have generally been attributed to military and civilian inexperience with war and poor radars of the era. Critics have theorized they were a deliberate attempt by the Army to frighten the public in order to stimulate interest in war preparations.The Virtual Museum of The City of San Francisco The Army Air Forces in World War II; Defense of the Western Hemisphere
/ref>


Alerts following Pearl Harbor

On December 8, 1941, "rumors of an enemy carrier off the coast led to the closing of schools in Oakland, California," a blackout enforced by local wardens and radio silence followed that evening. The reports reaching Washington of an attack on San Francisco were regarded as credible. The affair was described as a test but Lt. Gen. John L. DeWitt of the Western Defense Command said "Last night there were planes over this community. They were enemy planes! I mean Japanese planes! And they were tracked out to sea. You think it was a hoax? It is damned nonsense for sensible people to assume that the Army and Navy would practice such a hoax on San Francisco." Rumors continued on the West Coast in the following days. An alert of a similar nature occurred in the Northeast on December 9. "At noon advices were received that hostile planes were only two hours' distance away." Although there was no general hysteria, fighter aircraft from Mitchel Field on Long Island took the air to intercept the "raiders". Wall Street had its worst sell off since the Fall of France, school children in New York City were sent home and several radio stations left the air. In Boston police shifted heavy stores of guns and ammunition from storage vaults to stations throughout the city, and industrial establishments were advised to prepare for a raid.


Battle of Los Angeles

The Battle of Los Angeles, also known as "The Great Los Angeles Air Raid", is the name given by contemporary sources to the imaginary enemy attack and subsequent anti-aircraft artillery barrage which took place in 1942 from February 24 and early on February 25 over Los Angeles, California, Los Angeles, California. Initially, the target of the aerial barrage was thought to be an attacking force from Empire of Japan, Japan, but Secretary of the Navy Frank Knox speaking at a press conference shortly afterward called the incident a "false alarm." Newspapers of the time published a number of sensational reports and speculations of a cover-up to conceal an actual invasion by enemy airplanes. When documenting the incident in 1983, the U.S. Office of Air Force History attributed the event to a case of "war nerves" likely triggered by a lost weather balloon and exacerbated by stray flares and shell bursts from adjoining batteries.


Minor alerts


1942

In May and June the San Francisco Bay Area underwent a series of alerts: *May 12: A twenty-five-minute airstrike, air-raid alert. *May 27: West Coast of the United States, West Coast defenses put on alert after Army Cryptanalysis, codebreakers learned that the Japanese intended a series of Hit-and-run tactics, hit-and-run attacks in reprisal for the Doolittle Raid. *May 31: The battleships and USS Maryland (BB-46), USS ''Maryland'' set sail from the Golden Gate to form a line of defense against any Japanese attack mounted on San Francisco. *June 2: A nine-minute air-raid alert, including at 9:22 pm a radio silence order applied to all radio stations from Mexico to Canada.


See also

*American Theater (1914–1918) *Amerikabomber * Battle of the Atlantic * (discovered off Massachusetts) * (destroyed off Rhode Island) * (destroyed off New Jersey) *Greenland in World War II *List of Japanese spies, 1930–45 *Invasion of the United States *Operation Pastorius *Project Z (bomber project), Project Z *List of theaters and campaigns of World War II


Notes


Works cited

* * * * * * * *


Further reading

*Dobbs, Michael. ''Saboteurs: The Nazi Raid on America'' (2004) *Duffy, J.P. ''Target: America: Hitler's Plan to Attack the United States'', Praeger Publishers; PB: The Lyons Press (A Booklist]
review
*Gimpel, Erich. ''Agent 146: The True Story of a Nazi Spy in America'' (2003) *Griehl, Manfred. ''Luftwaffe over America: The Secret Plans to Bomb the United States in World War II'' (2004) * * *Mikesh, Robert C. ''Japan's World War II Balloon Bomb Attacks on North America'', Smithsonian Institution Press, (1973) * *O'Donnell, Pierce, ''In Time of War: Hitler's Terrorist Attack on America'' (Operation Pastorius), The New Press, 2005 *Ebbert Webber, Webber, Bert. ''Silent Siege: Japanese Attacks Against North America in World War II'', Ye Galleon Press, Fairfield, Washington (1984). (hardcover). (paperbound).


External links


History.army.mil: Defense of Americas
— publication of the United States Army Center of Military History.
History.army.mil: American Theater Army Responses


*[http://www.history.navy.mil/faqs/faq114-2.htm History.navy.mil: German Sabotage operations]
Regiamarina.net: "Planned Italian attack on New York harbor"
*[https://web.archive.org/web/20170911193528/http://alaskainvasion.com/ Alaskainvasion.com: "Red White Black & Blue"] – feature documentary about the World War II Battle of Attu in the Aleutians.
Uboat.net: The Battle of the St. Lawrence
{{Authority control American Theater of World War II, Theaters and campaigns of World War II Military history of North America Military history of the Caribbean Military history of South America Battle of the Atlantic Caribbean Sea operations of World War II, . Military history of Canada during World War II Military history of Germany during World War II Military history of Japan during World War II Military history of the United States during World War II