USS ''Pinnacle'' (AM-274) was an Admirable class minesweeper of the

US 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 ...

during World War II. She was laid down by the

Gulf Shipbuilding Gulf Shipbuilding Corporation is a former shipbuilding corporation in Chickasaw, Alabama a few miles upstream of the Port of Mobile. Following the company's closure, the land became a part of the Chickasaw Shipyard Village Historic District His ...

Corp., Chickasaw, Alabama, 1 February 1943 launched 11 September 1943 sponsored by Mrs. Francis W. Osborn; and commissioned 24 May 1944.

World War II Invasion of Europe operations

Following

shakedown Shakedown may refer to: * Shakedown (continuum mechanics), a type of plastic deformation * Shakedown (testing) or a shakedown cruise, a period of testing undergone by a ship, airplane or other craft before being declared operational * Extortion, ...

, ''Pinnacle'' joined MinRon 11 and sailed, 24 July, for the

Mediterranean 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 Europe, Western and Southern Europe and Anatolia, on the south by North Africa ...

. She arrived at Mers-el-Kebir 10 August, crossed to southern France 10 days later and on the 27th began her first

minesweeping Minesweeping is the practice of the removal of explosive naval mines, usually by a specially designed ship called a minesweeper using various measures to either capture or detonate the mines, but sometimes also with an aircraft made for that ...

operation off St. Tropez. Shifting east with units of MinDiv 32 in September, she cleared a fire support channel from

Cape Martin Cape Martin (french: Cap Martin) is a headland situated in the commune of Roquebrune-Cap-Martin, Alpes-Maritimes ''département'', in southern France. It is situated on the Mediterranean Sea coast between Monaco and Menton Menton (; , writt ...

, France, to Bordinghera, Italy. There into late October, she suffered no damage from German shore batteries and on the 23rd sailed back to

Toulon Toulon (, , ; oc, label= Provençal, Tolon , , ) is a city on the French Riviera and a large port on the Mediterranean coast, with a major naval base. Located in the Provence-Alpes-Côte d'Azur region, and the Provence province, Toulon is th ...

, thence to Bizerte, whence she steamed to Cagliari,

Sardinia Sardinia ( ; it, Sardegna, label=Italian, Corsican and Tabarchino ; sc, Sardigna , sdc, Sardhigna; french: Sardaigne; sdn, Saldigna; ca, Sardenya, label=Algherese and Catalan) is the second-largest island in the Mediterranean Sea, after ...

. Between 25 November and 10 January 1945, she swept in the Gulf of Cagliari with only one interruption, an escort run to Palermo in December.

Supporting the Yalta Conference

From

''Pinnacle'' returned to Palermo, whence, with she steamed to

Istanbul ) , postal_code_type = Postal code , postal_code = 34000 to 34990 , area_code = +90 212 (European side) +90 216 (Asian side) , registration_plate = 34 , blank_name_sec2 = GeoTLD , blank_i ...

. Arriving 25 January, she entered the

Black Sea The Black Sea is a marginal mediterranean sea of the Atlantic Ocean lying between Europe and Asia, east of the Balkans, south of the East European Plain, west of the Caucasus, and north of Anatolia. It is bounded by Bulgaria, Georgia, Rom ...

the next day, sweeping in shallow waters ahead of the AGC. Continuing on to

Sevastopol Sevastopol (; uk, Севасто́поль, Sevastópolʹ, ; gkm, Σεβαστούπολις, Sevastoúpolis, ; crh, Акъя́р, Aqyár, ), sometimes written Sebastopol, is the largest city in Crimea, and a major port on the Black Sea ...

and

Yalta Yalta (: Я́лта) is a resort city on the south coast of the Crimean Peninsula surrounded by the Black Sea. It serves as the administrative center of Yalta Municipality, one of the regions within Crimea. Yalta, along with the rest of Cri ...

she supplied guards for the

Yalta Conference The Yalta Conference (codenamed Argonaut), also known as the Crimea Conference, held 4–11 February 1945, was the World War II meeting of the heads of government of the United States, the United Kingdom, and the Soviet Union to discuss the post ...

, and on 13 February got underway for

Sicily (man) it, Siciliana (woman) , population_note = , population_blank1_title = , population_blank1 = , demographics_type1 = Ethnicity , demographics1_footnotes = , demographi ...

for repairs. She resumed sweeping off Sardinia in early March, interrupted operations toward the end of the month for a run to

Malta Malta ( , , ), officially the Republic of Malta ( mt, Repubblika ta' Malta ), is an island country in the Mediterranean Sea. It consists of an archipelago, between Italy and Libya, and is often considered a part of Southern Europe. It lies ...

, and on the 31st departed Sardinia for Palermo, Oran and the United States.

Pacific Theatre operations

Arriving at Norfolk, Virginia, 5 May, she sailed for the west coast 5 July, mooring at

San Pedro, California San Pedro ( ; Spanish: "St. Peter") is a neighborhood within the City of Los Angeles, California. Formerly a separate city, it consolidated with Los Angeles in 1909. The Port of Los Angeles, a major international seaport, is partially located wi ...

, on the 26th. In mid-August she moved on to

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 R ...

thence to the Marianas,

Okinawa is a prefecture of Japan. Okinawa Prefecture is the southernmost and westernmost prefecture of Japan, has a population of 1,457,162 (as of 2 February 2020) and a geographic area of 2,281 km2 (880 sq mi). Naha is the capital and largest city ...

, and Japan for

Operation Skagway. Engaged in clearing the shipping lanes of the East China Sea-

Ryukyu The , also known as the or the , are a chain of Japanese islands that stretch southwest from Kyushu to Taiwan: the Ōsumi, Tokara, Amami, Okinawa, and Sakishima Islands (further divided into the Miyako and Yaeyama Islands), with Yonagu ...

area, 27 October-9 November, ''Pinnacle'' shifted to Formosa and the

Pescadores The Penghu (, Hokkien POJ: ''Phîⁿ-ô͘'' or ''Phêⁿ-ô͘'' ) or Pescadores Islands are an archipelago of 90 islands and islets in the Taiwan Strait, located approximately west from the main island of Taiwan, covering an area ...

at mid-month and continued to operate there until 22 December when she put into

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 flowin ...

. Departing

21 January 1946, she steamed back to Japan, thence to the Marianas, and on 18 March, arrived at

Post-War Deactivation

In July ''Pinnacle'' headed west again. Arriving at

Subic Bay Subic Bay is a bay on the west coast of the island of Luzon in the Philippines, about northwest of Manila Bay. An extension of the South China Sea, its shores were formerly the site of a major United States Navy facility, U.S. Naval Base Sub ...

Philippine Islands 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 ...

, 14 September, she decommissioned 9 October 1946 at

Sasebo is a core city located in Nagasaki Prefecture, Japan. It is also the second largest city in Nagasaki Prefecture, after its capital, Nagasaki. On 1 June 2019, the city had an estimated population of 247,739 and a population density of 581 persons p ...

, Japan, and remained in reserve there until 15 June 1948 when she was transferred, on a permanent basis, to the Nationalist Chinese Navy. Struck from the U.S.

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 autho ...

13 July 1948 ''Pinnacle'' renamed '' Yung-Hsiu (MSF-48)'', patrolled the coast and offshore Islands of

Taiwan Taiwan, officially the Republic of China (ROC), is a country in East Asia, at the junction of the East and South China Seas in the northwestern Pacific Ocean, with the People's Republic of China (PRC) to the northwest, Japan to the nort ...

into 1970. USS ''Pinnacle'' was struck from the

Naval Register 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 autho ...

in July 1972. Fate unknown.

Awards

USS ''Pinnacle'' (AM-274) earned 2

battle stars 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 ...

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 opposing ...

References

External links

Dictionary of American Naval Fighting Ships

{{DEFAULTSORT:Pinnacle Admirable-class minesweepers Ships built in Chickasaw, Alabama 1943 ships World War II minesweepers of the United States Admirable-class minesweepers of the Republic of China Navy