USS ''Mount Olympus'' (AGC-8) was a ''Mount McKinley''-class amphibious force command ship, named for the highest peak in the Olympic Mountains of the

State of Washington Washington (), officially the State of Washington, is a state in the Pacific Northwest region of the Western United States. Named for George Washington—the first U.S. president—the state was formed from the western part of the Washington ...

. She was designed to be an amphibious forces

flagship A flagship is a vessel used by the commanding officer of a group of naval ships, characteristically a flag officer entitled by custom to fly a distinguishing flag. Used more loosely, it is the lead ship in a fleet of vessels, typically the fi ...

—a floating

command post Command and control (abbr. C2) is a "set of organizational and technical attributes and processes ... hatemploys human, physical, and information resources to solve problems and accomplish missions" to achieve the goals of an organization or en ...

with advanced communications equipment and extensive combat information spaces to be used by the amphibious forces commander and landing force commander during large-scale operations.

World War II

''Mount Olympus'' was laid down on 3 August 1943 at the

North Carolina Shipbuilding Company North Carolina Shipbuilding Company was a shipyard in Wilmington, North Carolina, created as part of the U.S. Government's Emergency Shipbuilding Program in the early days of World War II. From 1941 through 1946, the company built 243 ships in all ...

Wilmington, North Carolina Wilmington is a port city in and the county seat of New Hanover County in coastal southeastern North Carolina, United States. With a population of 115,451 at the 2020 census, it is the eighth most populous city in the state. Wilmington is the ...

. She was launched on 3 October 1943 as the USS ''Eclipse'', a

transport ship A troopship (also troop ship or troop transport or trooper) is a ship used to carry soldiers, either in peacetime or wartime. Troopships were often drafted from commercial shipping fleets, and were unable land troops directly on shore, typicall ...

, sponsored by Mrs. W. C. Park, and then renamed ''Mount Olympus'' on 27 December 1943. She was commissioned at Boston, Massachusetts, after her conversion on 24 May 1944. ''Mount Olympus'' departed from the East Coast in early July, arriving at

Hawaii Hawaii ( ; haw, Hawaii or ) is a state in the Western United States, located in the Pacific Ocean about from the U.S. mainland. It is the only U.S. state outside North America, the only state that is an archipelago, and the only stat ...

via the

Panama Canal The Panama Canal ( es, Canal de Panamá, link=no) is an artificial waterway in Panama that connects the Atlantic Ocean with the Pacific Ocean and divides North and South America. The canal cuts across the Isthmus of Panama and is a conduit ...

on 23 July. With the Commander, 3rd Amphibious Force, embarked, she was underway from Hawaii on 29 August. She arrived

Leyte Gulf Leyte Gulf is a gulf in the Eastern Visayan region in the Philippines. The bay is part of the Philippine Sea of the Pacific Ocean, and is bounded by two islands; Samar in the north and Leyte in the west. On the south of the bay is Mindanao Isl ...

20 October, there to serve as the floating headquarters for the huge

U.S. Army The United States Army (USA) is the land service branch of the United States Armed Forces. It is one of the eight U.S. uniformed services, and is designated as the Army of the United States in the U.S. Constitution.Article II, section 2, cl ...

invasion force. The landing force was subjected to continual air attacks, but its survival was assured by the American naval victory in the

Battle of Leyte Gulf The Battle of Leyte Gulf ( fil, Labanan sa golpo ng Leyte, lit=Battle of Leyte gulf; ) was the largest naval battle of World War II and by some criteria the largest naval battle in history, with over 200,000 naval personnel involved. It was fou ...

, which destroyed the

Japanese Navy , abbreviated , also simply known as the Japanese Navy, is the maritime warfare branch of the Japan Self-Defense Forces, tasked with the naval defense of Japan. The JMSDF was formed following the dissolution of the Imperial Japanese Navy (IJN) ...

as an effective combat force. USS Mount Olympus (AGC-8) in June 1944

On 26 October 1944, ''Mount Olympus'' departed for Hollandia,

New Guinea New Guinea (; Hiri Motu Hiri Motu, also known as Police Motu, Pidgin Motu, or just Hiri, is a language of Papua New Guinea, which is spoken in surrounding areas of Port Moresby (Capital of Papua New Guinea). It is a simplified version of ...

, via

Peleliu Island Peleliu (or Beliliou) is an island in the island nation of Palau. Peleliu, along with two small islands to its northeast, forms one of the sixteen states of Palau. The island is notable as the location of the Battle of Peleliu in World War II. H ...

, in preparation for the next assault on the Japanese-occupied

Philippines The Philippines (; fil, Pilipinas, links=no), officially the Republic of the Philippines ( fil, Republika ng Pilipinas, links=no), * bik, Republika kan Filipinas * ceb, Republika sa Pilipinas * cbk, República de Filipinas * hil, Republ ...

. After invasion rehearsals at

Huon Gulf Huon Gulf is a large gulf in eastern Papua New Guinea. It is bordered by Huon Peninsula in the north. Both are named after French explorer Jean-Michel Huon de Kermadec. Huon Gulf is a part of the Solomon Sea. Its northern boundary is marked by ...

, the ship departed

Manus Island Manus Island is part of Manus Province in northern Papua New Guinea and is the largest of the Admiralty Islands. It is the fifth-largest island in Papua New Guinea, with an area of , measuring around . Manus Island is covered in rugged jungles w ...

Admiralties The Admiralty Islands are an archipelago group of 18 islands in the Bismarck Archipelago, to the north of New Guinea in the South Pacific Ocean. These are also sometimes called the Manus Islands, after the largest island. These rainforest-cov ...

, on 31 December for the assault on

Lingayen Gulf The Lingayen Gulf is a large gulf on northwestern Luzon in the Philippines, stretching . It is framed by the provinces of Pangasinan and La Union and sits between the Zambales Mountains and the Cordillera Central. The Agno River and the Balili ...

on 9 January 1945. After the initial assault and with the ground force commander disembarked, ''Mount Olympus'' was soon underway on 11 January from Lingayen Gulf. She called at

Ulithi Atoll Ulithi ( yap, Wulthiy, , or ) is an atoll in the Caroline Islands of the western Pacific Ocean, about east of Yap. Overview Ulithi consists of 40 islets totaling , surrounding a lagoon about long and up to wide—at one of the largest ...

to allow the Commander, 3rd Amphibious Force, to disembark and travel by plane to Hawaii, while she herself sailed for an overhaul at

San Francisco Bay San Francisco Bay is a large tidal estuary in the U.S. state of California, and gives its name to the San Francisco Bay Area. It is dominated by the big cities of San Francisco, San Jose, and Oakland. San Francisco Bay drains water from a ...

, arriving on 11 February and leaving on 22 April for

Pearl Harbor Pearl Harbor is an American lagoon harbor on the island of Oahu, Hawaii, west of Honolulu. It was often visited by the Naval fleet of the United States, before it was acquired from the Hawaiian Kingdom by the U.S. with the signing of the Re ...

and

Guam Guam (; ch, Guåhan ) is an organized, unincorporated territory of the United States in the Micronesia subregion of the western Pacific Ocean. It is the westernmost point and territory of the United States (reckoned from the geographic cent ...

. Arriving at

on 6 July 1945, ''Mount Olympus'' sailed on for

Manila Bay Manila Bay ( fil, Look ng Maynila) is a natural harbor that serves the Port of Manila (on Luzon), in the Philippines. Strategically located around the capital city of the Philippines, Manila Bay facilitated commerce and trade between the Phili ...

, colliding with the oiler along the way. The ship was escorted to San Pedro Bay on the

, for repairs by the heavy repair ship . Then she continued to Manila, arriving on 3 August. After the close of hostilities in August 1945, ''Mount Olympus'' arrived at

Tokyo Bay is a bay located in the southern Kantō region of Japan, and spans the coasts of Tokyo, Kanagawa Prefecture, and Chiba Prefecture. Tokyo Bay is connected to the Pacific Ocean by the Uraga Channel. The Tokyo Bay region is both the most populous a ...

on 2 September with part of the U.S. 1st Cavalry Division. After months of moving

occupation Occupation commonly refers to: *Occupation (human activity), or job, one's role in society, often a regular activity performed for payment *Occupation (protest), political demonstration by holding public or symbolic spaces *Military occupation, th ...

troops from the

and other bases to ports in

Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...

and

China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...

, she left

Shanghai Shanghai (; , , Standard Mandarin pronunciation: ) is one of the four direct-administered municipalities of the People's Republic of China (PRC). The city is located on the southern estuary of the Yangtze River, with the Huangpu River flow ...

on 28 May 1946, bound for

San Diego San Diego ( , ; ) is a city on the Pacific Ocean coast of Southern California located immediately adjacent to the Mexico–United States border. With a 2020 population of 1,386,932, it is the List of United States cities by population, eigh ...

, the

, and

New York Harbor New York Harbor is at the mouth of the Hudson River where it empties into New York Bay near the East River tidal estuary, and then into the Atlantic Ocean on the east coast of the United States. It is one of the largest natural harbors in t ...

, arriving on 7 July 1946.

Postwar

In September, ''Mount Olympus'' was made the flagship for

Operation Highjump Operation HIGHJUMP, officially titled The United States Navy Antarctic Developments Program, 1946–1947, (also called Task Force 68), was a United States Navy (USN) operation to establish the Antarctic research base Little America IV. The opera ...

, the

U.S. Navy The United States Navy (USN) is the maritime service branch of the United States Armed Forces and one of the eight uniformed services of the United States. It is the largest and most powerful navy in the world, with the estimated tonnage o ...

Antarctic The Antarctic ( or , American English also or ; commonly ) is a polar region around Earth's South Pole, opposite the Arctic region around the North Pole. The Antarctic comprises the continent of Antarctica, the Kerguelen Plateau and other ...

Expedition. The ship sailed from

Naval Station Norfolk Naval Station Norfolk is a United States Navy base in Norfolk, Virginia, that is the headquarters and home port of the U.S. Navy's Fleet Forces Command. The installation occupies about of waterfront space and of pier and wharf space of the Hamp ...

on 2 December, passed through the

to rendezvous with the Pacific group, and with it she reached the

Bay of Whales The Bay of Whales was a natural ice harbour, or iceport, indenting the front of the Ross Ice Shelf just north of Roosevelt Island, Antarctica. It is the southernmost point of open ocean not only of the Ross Sea, but worldwide. The Ross Sea ...

New Zealand New Zealand ( mi, Aotearoa ) is an island country in the southwestern Pacific Ocean. It consists of two main landmasses—the North Island () and the South Island ()—and over 700 smaller islands. It is the sixth-largest island count ...

on 16 January 1947. ''Mount Olympus'' was detached from the group on 11 February, and she returned to Norfolk on 17 April to become the flagship of Commander, Amphibious Group 2, in training along the

East Coast of the United States The East Coast of the United States, also known as the Eastern Seaboard, the Atlantic Coast, and the Atlantic Seaboard, is the coastline along which the Eastern United States meets the North Atlantic Ocean. The eastern seaboard contains the coa ...

and in the

Caribbean Sea The Caribbean Sea ( es, Mar Caribe; french: Mer des Caraïbes; ht, Lanmè Karayib; jam, Kiaribiyan Sii; nl, Caraïbische Zee; pap, Laman Karibe) is a sea of the Atlantic Ocean in the tropics of the Western Hemisphere. It is bounded by Mexico ...

. She became flagship and temporary headquarters for CINCNELM/CINCSOUTH in the

Mediterranean Sea The Mediterranean Sea is a sea connected to the Atlantic Ocean, surrounded by the Mediterranean Basin and almost completely enclosed by land: on the north by Western and Southern Europe and Anatolia, on the south by North Africa, and on the ea ...

on 21 June 1951. ''Mount Olympus'' was relieved by the in August 1951, and she returned to Norfork and duty with the Amphibious Group 2, joining in NATO naval exercises '' Operation Mainbrace'' and ''Longs'' in

Northern Europe The northern region of Europe has several definitions. A restrictive definition may describe Northern Europe as being roughly north of the southern coast of the Baltic Sea, which is about 54th parallel north, 54°N, or may be based on other g ...

and the Mediterranean from August through December 1952. After an overhaul in Norfolk from December to March 1953, when her

helicopter A helicopter is a type of rotorcraft in which lift and thrust are supplied by horizontally spinning rotors. This allows the helicopter to take off and land vertically, to hover, and to fly forward, backward and laterally. These attributes ...

deck was also installed, she served in the U.S. Atlantic Fleet until 5 January 1955, when she sailed for the Panama Canal and

San Diego, California San Diego ( , ; ) is a city on the Pacific Ocean coast of Southern California located immediately adjacent to the Mexico–United States border. With a 2020 population of 1,386,932, it is the eighth most populous city in the United States ...

, arriving on 23 January 1955. Having participated in exercise ''Surfboard'' with the 38th Infantry Regiment from Washington State off the coast of San Simeon, California in mid-March, ''Mount Olympus'' proceeded to

Arctic The Arctic ( or ) is a polar regions of Earth, polar region located at the northernmost part of Earth. The Arctic consists of the Arctic Ocean, adjacent seas, and parts of Canada (Yukon, Northwest Territories, Nunavut), Danish Realm (Greenla ...

waters as part of Project 572 in support of the

Distant Early Warning Line The Distant Early Warning Line, also known as the DEW Line or Early Warning Line, was a system of radar stations in the northern Arctic region of Canada, with additional stations along the north coast and Aleutian Islands of Alaska (see Proj ...

. While underway from

Point Barrow, Alaska Point Barrow or Nuvuk is a headland on the Arctic coast in the U.S. state of Alaska, northeast of Utqiaġvik (formerly Barrow). It is the northernmost point of all the territory of the United States, at , south of the North Pole. (The northe ...

to Point Hope, she became icebound, but was freed by the icebreaker . Having sustained damage to structural bulkheads from the ice pressure, the ship was repaired by ''Current'' in Point Hope. ''Mount Olympus'' returned to

on 29 September and on 31 October 1955, she proceeded to

Mare Island Naval Shipyard The Mare Island Naval Shipyard (MINSY) was the first United States Navy base established on the Pacific Ocean. It is located northeast of San Francisco in Vallejo, California. The Napa River goes through the Mare Island Strait and separates th ...

for deactivation.

Decommissioning

''Mount Olympus'' was decommissioned on 4 April 1956, and she was struck from the

Navy list A Navy Directory, formerly the Navy List or Naval Register is an official list of naval officers, their ranks and seniority, the ships which they command or to which they are appointed, etc., that is published by the government or naval author ...

on 1 June 1961. The ship was transferred to the

Maritime Administration Maritime administrations, or flag state administrations, are the executive arms/state bodies of each government responsible for carrying out the shipping responsibilities of the state, and are tasked to administer national shipping and boating issue ...

in June 1966, and she remained in the

National Defense Reserve Fleet The National Defense Reserve Fleet (NDRF) consists of ships of the United States of America, mostly merchant vessels, that have been "mothballed" but can be activated within 20 to 120 days to provide shipping during national military emergencies ...

Suisun Bay Suisun Bay ( ; Wintun for "where the west wind blows") is a shallow tidal estuary (a northeastern extension of the San Francisco Bay) in Northern California. It lies at the confluence of the Sacramento River and San Joaquin River, forming the ent ...

, California. She was sold and sent to the scrapyard in 1973. ''Mount Olympus'' received two

battle star A service star is a miniature bronze or silver five-pointed star inch (4.8 mm) in diameter that is authorized to be worn by members of the eight uniformed services of the United States on medals and ribbons to denote an additional award or ser ...

s for her service in

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 opposin ...

References

External links

history.navy.mil: USS ''Mount Olympus''
{{DEFAULTSORT:Mount Olympus (AGC-8) Mount McKinley-class command ships Ships built in Wilmington, North Carolina 1943 ships World War II amphibious warfare vessels of the United States Cold War amphibious warfare vessels of the United States