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 United States. It is often referred to as Washington State to distinguish it from the national capital, both named after George Washington ...

. She was designed to be an amphibious forces

flagship A flagship is a vessel used by the commanding officer of a group of navy, 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 ...

—a floating command post 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 al ...

Wilmington, North Carolina Wilmington is a port city in New Hanover County, North Carolina, United States. With a population of 115,451 as of the 2020 United States census, 2020 census, it is the List of municipalities in North Carolina, eighth-most populous city in the st ...

. 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 to land troops directly on shore, typic ...

, sponsored by Mrs. W. C. Park, and then renamed ''Mount Olympus'' on 27 December 1943. She was commissioned at

Boston, Massachusetts Boston is the capital and most populous city in the Commonwealth (U.S. state), Commonwealth of Massachusetts in the United States. The city serves as the cultural and Financial centre, financial center of New England, a region of the Northeas ...

, after her conversion on 24 May 1944. ''Mount Olympus'' departed from the East Coast in early July, arriving at

Hawaii Hawaii ( ; ) is an island U.S. state, state of the United States, in the Pacific Ocean about southwest of the U.S. mainland. One of the two Non-contiguous United States, non-contiguous U.S. states (along with Alaska), it is the only sta ...

via the

Panama Canal The Panama Canal () is an artificial waterway in Panama that connects the Caribbean Sea with the Pacific Ocean. It cuts across the narrowest point of the Isthmus of Panama, and is a Channel (geography), conduit for maritime trade between th ...

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

Leyte Gulf Leyte Gulf, also known simply as the Leyte, 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 ...

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

U.S. Army The United States Army (USA) is the primary land service branch of the United States Department of Defense. It is designated as the Army of the United States in the United States Constitution.Article II, section 2, clause 1 of the United Stat ...

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 () 23–26 October 1944, 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. By late 1944, Japan possessed fewer capital sh ...

, which destroyed the

Japanese Navy The , 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 ( ...

as an effective combat force. On 26 October 1944, ''Mount Olympus'' departed for Hollandia,

New Guinea New Guinea (; Hiri Motu: ''Niu Gini''; , fossilized , also known as Papua or historically ) is the List of islands by area, world's second-largest island, with an area of . Located in Melanesia in the southwestern Pacific Ocean, the island is ...

, 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, officially the Republic of the Philippines, is an Archipelagic state, archipelagic country in Southeast Asia. Located in the western Pacific Ocean, it consists of List of islands of the Philippines, 7,641 islands, with a tot ...

. 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 marke ...

, 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 40 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 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 (Luzon), Cordillera Central. The Agno ...

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 (, , or ; pronounced roughly as YOU-li-thee) is an atoll in the Caroline Islands of the western Pacific Ocean, about east of Yap, within Yap State. Name The name of the island goes back to Proto-Chuukic ''*úlú-diwo''. Overview U ...

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 (Chochenyo language, Chochenyo: 'ommu) is a large tidal estuary in the United States, U.S. state of California, and gives its name to the San Francisco Bay Area. It is dominated by the cities of San Francisco, California, San ...

, 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 Reci ...

and

Guam Guam ( ; ) is an island that is an Territories of the United States, organized, unincorporated territory of the United States in the Micronesia subregion of the western Pacific Ocean. Guam's capital is Hagåtña, Guam, Hagåtña, and the most ...

. Arriving at

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

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

, 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 spanning the coasts of Tokyo, Kanagawa Prefecture, and Chiba Prefecture, on the southern coast of the island of Honshu. Tokyo Bay is connected to the Pacific Ocean by the Uraga Channel. Th ...

on 2 September with part of the

U.S. 1st Cavalry Division The 1st Cavalry Division ("First Team") is a Armored brigade combat team, combined arms division (military), division and is one of the most decorated combat divisions of the United States Army. It is based at Fort Cavazos, Texas. It was for ...

. After months of moving occupation troops from the

and other bases to ports in

Japan Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea ...

and

China China, officially the People's Republic of China (PRC), is a country in East Asia. With population of China, a population exceeding 1.4 billion, it is the list of countries by population (United Nations), second-most populous country after ...

, she left

Shanghai Shanghai, Shanghainese: , Standard Chinese pronunciation: is a direct-administered municipality and the most populous urban area in China. The city is located on the Chinese shoreline on the southern estuary of the Yangtze River, with the ...

on 28 May 1946, bound for

San Diego San Diego ( , ) is a city on the Pacific coast of Southern California, adjacent to the Mexico–United States border. With a population of over 1.4 million, it is the List of United States cities by population, eighth-most populous city in t ...

, the

, and

New York Harbor New York Harbor is a bay that covers all of the Upper Bay. It is at the mouth of the Hudson River near the East River tidal estuary on the East Coast of the United States. New York Harbor is generally synonymous with Upper New York Bay, ...

, 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 (exploration b ...

, the

U.S. Navy The United States Navy (USN) is the maritime service branch of the United States Department of Defense. It is the world's most powerful navy with the largest displacement, at 4.5 million tons in 2021. It has the world's largest aircraft ...

Antarctic The Antarctic (, ; commonly ) is the polar regions of Earth, polar region of Earth that surrounds the South Pole, lying within the Antarctic Circle. It is antipodes, diametrically opposite of the Arctic region around the North Pole. The Antar ...

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 Ham ...

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, at the southernmost point of the world's ocean. While the Ross Sea stretches considerably further s ...

New Zealand New Zealand () is an island country in the southwestern Pacific Ocean. It consists of two main landmasses—the North Island () and the South Island ()—and List of islands of New Zealand, over 600 smaller islands. It is the List of isla ...

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 region encompassing the coast, coastline where the Eastern United States meets the Atlantic Ocean; it has always pla ...

and in the

Caribbean Sea The Caribbean Sea is a sea of the Atlantic Ocean, North Atlantic Ocean in the tropics of the Western Hemisphere, located south of the Gulf of Mexico and southwest of the Sargasso Sea. It is bounded by the Greater Antilles to the north from Cuba ...

. 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 east by the Levant in West Asia, on the north by Anatolia in West Asia and Southern Eur ...

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 Exercise Mainbrace was the first large-scale naval exercise undertaken by the newly established Allied Command Atlantic (ACLANT), one of the two principal military commands of the North Atlantic Treaty Organization (NATO). It was part of a serie ...

'' 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 ge ...

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 (force), lift and thrust are supplied by horizontally spinning Helicopter rotor, rotors. This allows the helicopter to VTOL, take off and land vertically, to hover (helicopter), hover, and ...

deck was also installed, she served in the

U.S. Atlantic Fleet The United States Fleet Forces Command (USFFC) is a service component command of the United States Navy that provides naval forces to a wide variety of U.S. forces. The naval resources may be allocated to Combatant Commanders such as United Sta ...

until 5 January 1955, when she sailed for the Panama Canal and

San Diego, California San Diego ( , ) is a city on the Pacific coast of Southern California, adjacent to the Mexico–United States border. With a population of over 1.4 million, it is the List of United States cities by population, eighth-most populous city in t ...

, 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 (; . ) is the polar regions of Earth, polar region of Earth that surrounds the North Pole, lying within the Arctic Circle. The Arctic region, from the IERS Reference Meridian travelling east, consists of parts of northern Norway ( ...

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 List o ...

. 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 Utqiagvik (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 or MINS) was the first United States Navy base established on the Pacific Ocean and was in service 142 years from 1854 to 1996. It is located on Mare Island, northeast of San Francisco, in Vallejo, Califor ...

for deactivation.

Decommissioning

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

Navy list A Navy Directory, 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 authorities of a co ...

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 issu ...

in June 1966, and she remained in the

National Defense Reserve Fleet The National Defense Reserve Fleet (NDRF) consists of Ship, ships of the United States, mostly Merchant ship, merchant vessels, that have been Reserve fleet, mothballed but can be activated within 20 to 120 days to provide shipping during nationa ...

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 e ...

, 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 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 service period. T ...

s for her service in

World War II World War II or the Second World War (1 September 1939 – 2 September 1945) was a World war, global conflict between two coalitions: the Allies of World War II, Allies and the Axis powers. World War II by country, Nearly all of the wo ...

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