USS Tamalpais (AO-96)
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USS ''Tamalpais'' (AO-96) was a acquired by the
United States Navy The United States Navy (USN) is the naval warfare, maritime military branch, service branch of the United States Department of Defense. It is the world's most powerful navy with the largest Displacement (ship), displacement, at 4.5 millio ...
for use during
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 ...
. She had the dangerous but necessary task of providing fuel to vessels in combat and non-combat areas. She served in the
Pacific Ocean The Pacific Ocean is the largest and deepest of Earth's five Borders of the oceans, oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean, or, depending on the definition, to Antarctica in the south, and is ...
Theatre of operations late in the war. ''Tamalpais'' was laid down at
Sausalito, California Sausalito ( Spanish for "small willow grove") is a city in Marin County, California, United States, located southeast of Marin City, south-southeast of San Rafael, and about north of San Francisco from the Golden Gate Bridge. Sausalito's ...
, on 18 September 1944 under
United States Maritime Commission The United States Maritime Commission was an independent executive agency of the U.S. federal government that was created by the Merchant Marine Act of 1936, which was passed by Congress on June 29, 1936, and was abolished on May 24, 1950. The co ...
contract (MC hull 1831) by the
Marinship Marinship Corporation was a shipbuilding company of the United States during World War II, created to build the shipping required for the war effort. Founded in 1942, the shipyard built 93 cargo ships and oil tankers, before ending operations in ...
Corp.; launched on 29 October 1944, sponsored by Mrs. H. B. Anderson, acquired by the Navy on 20 May 1945, and commissioned that same day.


World War II Pacific Theatre operations

The fleet oiler departed
San Francisco San Francisco, officially the City and County of San Francisco, is a commercial, Financial District, San Francisco, financial, and Culture of San Francisco, cultural center of Northern California. With a population of 827,526 residents as of ...
,
California California () is a U.S. state, state in the Western United States that lies on the West Coast of the United States, Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east, and shares Mexico–United States border, an ...
, on 7 June for
shakedown Shakedown or Shake Down 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 ...
training out of
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 ...
, California. On the 16th, she was ordered to
San Pedro, Los Angeles San Pedro ( ; ) is a neighborhood located within the South Bay (Los Angeles County), South Bay and Los Angeles Harbor Region, Harbor region of the city of Los Angeles, California, United States. Formerly a separate city, it consolidated with Los ...
, to load
potable water Drinking water or potable water is water that is safe for ingestion, either when drunk directly in liquid form or consumed indirectly through food preparation. It is often (but not always) supplied through taps, in which case it is also calle ...
and, eight days later, she headed for the
Marshall Islands The Marshall Islands, officially the Republic of the Marshall Islands, is an island country west of the International Date Line and north of the equator in the Micronesia region of the Northwestern Pacific Ocean. The territory consists of 29 c ...
. On 8 July, ''Tamalpais'' reached
Eniwetok Enewetak Atoll (; also spelled Eniwetok Atoll or sometimes Eniewetok; , , or , ; known to the Japanese as Brown Atoll or Brown Island; ) is a large coral atoll of 40 islands in the Pacific Ocean and with its 296 people (as of 2021) forms a legi ...
and discharged her cargo. The following day, she continued on to Manus, in the
Admiralty Islands 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 ...
, where she loaded another cargo of water which she delivered to
Ulithi 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 Chuukic languages, Proto-Chuukic ''*úlú-diw ...
on 22 July. She returned to Manus on the 26th. She put to sea again on 8 August, headed for the
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 ...
with a fresh water cargo, and arrived at
Leyte Leyte ( ) is an island in the Visayas group of islands in the Philippines. It is eighth-largest and sixth-most populous island in the Philippines, with a total population of 2,626,970 as of 2020 census. Since the accessibility of land has been ...
on 10 August.


End-of-war activity

Four days later, as hostilities in the Pacific were ending, she stood out of
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 ...
to rendezvous with
Task Group A task force (TF) is a unit or formation established to work on a single defined task or activity. Originally introduced by the United States Navy, the term has now caught on for general usage and is a standard part of NATO terminology. Many ...
30.8 off the coast of Japan. The ship entered
Sagami Bay lies south of Kanagawa Prefecture in Honshu, central Japan, contained within the scope of the Miura Peninsula, in Kanagawa, to the east, the Izu Peninsula, in Shizuoka Prefecture, to the west, and the Shōnan coastline to the north, while the i ...
on the 28th and anchored in
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 the 30th. There, she issued water to
hospital ship A hospital ship is a ship designated for primary function as a floating healthcare, medical treatment facility or hospital. Most are operated by the military forces (mostly navy, navies) of various countries, as they are intended to be used in or ...
s and small craft. She remained in Japan (either at
Tokyo Tokyo, officially the Tokyo Metropolis, is the capital of Japan, capital and List of cities in Japan, most populous city in Japan. With a population of over 14 million in the city proper in 2023, it is List of largest cities, one of the most ...
,
Yokosuka is a city in Kanagawa Prefecture, Japan. , the city has a population of 373,797, and a population density of . The total area is . Yokosuka is the 11th-most populous city in the Greater Tokyo Area, and the 12th in the Kantō region. The city i ...
, or
Sasebo is a core city located in Nagasaki Prefecture, Japan. It is the second-largest city in Nagasaki Prefecture, after its capital, Nagasaki. , the city had an estimated population of 230,873 in 102,670 households, and a population density of 540 per ...
) until March 1946. On 4 March, ''Tamalpais'' departed Sasebo for
Hong Kong Hong Kong)., Legally Hong Kong, China in international treaties and organizations. is a special administrative region of China. With 7.5 million residents in a territory, Hong Kong is the fourth most densely populated region in the wor ...
, where she stayed almost two months. On 26 April, she sailed from Hong Kong to return to the United States. She transited 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 ...
between 22 and 24 May and arrived in
Mobile, Alabama Mobile ( , ) is a city and the county seat of Mobile County, Alabama, United States. The population was 187,041 at the 2020 United States census, 2020 census. After a successful vote to annex areas west of the city limits in July 2023, Mobil ...
, on the 28th. On 21 June 1946, she was decommissioned and returned to the
War Shipping Administration The War Shipping Administration (WSA) was a World War II emergency war agency of the US government, tasked to purchase and operate the civilian shipping tonnage the United States needed for fighting the war. Both shipbuilding under the Maritime C ...
for lay up 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 ...
. Her name 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 8 July 1946.


Assigned to duty with MSTS

On 10 March 1948, ''Tamalpais'' was reacquired by the Navy, and she was operated by a civilian contractor for the Navy until 1 October 1949, when she was transferred to the
Military Sea Transportation Service The Military Sealift Command (MSC) is an organization that controls the replenishment and military transport ships of the United States Navy. Military Sealift Command has the responsibility for providing sealift and ocean transportation for all U ...
for duty as a non-commissioned naval vessel crewed by civilian personnel. On 28 April 1950, her name was reinstated on the Navy list. For the next eight years, she plied the oceans of the world as USNS ''Tamalpais'' (T-AO-96), visiting major ports the world over and carrying petroleum for the Navy. On 18 December 1967, her name was again struck from the Navy list; and she was transferred to the Maritime Commission's
James River The James River is a river in Virginia that begins in the Appalachian Mountains and flows from the confluence of the Cowpasture and Jackson Rivers in Botetourt County U.S. Geological Survey. National Hydrography Dataset high-resolution flowli ...
Group,
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 ...
.


Transferred to the U.S. Army

On 3 June 1966, ''Tamalpais'' was turned over to the
Department of the Army The United States Department of the Army (DA) is one of the three military departments within the United States Department of Defense. The DA is the federal government agency within which the United States Army (U.S.) is organized. It is led ...
to serve as a floating power station under Project Powerfloat. MClass: ESCAMBIA (AO-80)
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References

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External links

* {{DEFAULTSORT:Tamalpais (AO-96) Escambia-class oilers Type T2-SE-A2 tankers of the United States Navy Ships built in Sausalito, California 1944 ships World War II tankers of the United States