The second USS Rehoboth (AVP-50/AGS-50) was in commission in the United States Navy

United States Navy

The United States Navy is the naval warfare service branch of the United States Armed Forces and one of the seven uniformed services of the United States. The U.S. Navy is the largest in the world; its battle fleet tonnage is greater than that of the next 13 largest navies combined. The U.S...

 as a seaplane tender

Seaplane tender

A seaplane tender is a ship that provides facilities for operating seaplanes. These ships were the first aircraft carriers and appeared just before the First World War.-History:...

 from 1944 to 1947 and as an oceanographic

Oceanography

Oceanography , also called oceanology or marine science, is the branch of Earth science that studies the ocean...

 survey ship from 1948 to 1970.

Construction, commissioning, and shakedown

Rehoboth was laid down on 3 August 1942 at Houghton

Houghton, Washington

Houghton is one of the lakeside neighborhoods of the city of Kirkland, Washington. Consisting mostly of upscale, single-family homes, Houghton overlooks Lake Washington and is one of the wealthier districts of the Eastside suburbs of Seattle. The village was named for Willard Houghton, a local...

, Washington, by the Lake Washington Shipyard

Lake Washington Shipyard

Lake Washington Shipyards was a shipyard in Houghton, Washington on the shore of Lake Washington. Today the shipyards are the site of the lakeside Carillon Point business park...

. She was launched on 8 November 1942, sponsored by Mrs. R. P. McConnell, and commissioned

Ship commissioning

Ship commissioning is the act or ceremony of placing a ship in active service, and may be regarded as a particular application of the general concepts and practices of project commissioning. The term is most commonly applied to the placing of a warship in active duty with its country's military...

 on 23 February 1944, with Commander

Commander

Commander is a naval rank which is also sometimes used as a military title depending on the individual customs of a given military service. Commander is also used as a rank or title in some organizations outside of the armed forces, particularly in police and law enforcement.-Commander as a naval...

 Robert Crawford Warrack , Jr., in command.

World War II service

Following shakedown

Shakedown (testing)

A shakedown is a period of testing or a trial journey undergone by a ship, aircraft or other craft and its crew before being declared operational. Statistically, a proportion of the components will fail after a relatively short period of use, and those that survive this period can be expected to...

 off San Diego

San Diego, California

San Diego is the eighth-largest city in the United States and second-largest city in California. The city is located on the coast of the Pacific Ocean in Southern California, immediately adjacent to the Mexican border. The birthplace of California, San Diego is known for its mild year-round...

, California

California

California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...

, Rehoboth transited the Panama Canal

Panama Canal

The Panama Canal is a ship canal in Panama that joins the Atlantic Ocean and the Pacific Ocean and is a key conduit for international maritime trade. Built from 1904 to 1914, the canal has seen annual traffic rise from about 1,000 ships early on to 14,702 vessels measuring a total of 309.6...

 on 25 April 1944 and reached Norfolk

Norfolk, Virginia

Norfolk is an independent city in the Commonwealth of Virginia in the United States. With a population of 242,803 as of the 2010 Census, it is Virginia's second-largest city behind neighboring Virginia Beach....

, Virginia

Virginia

The Commonwealth of Virginia , is a U.S. state on the Atlantic Coast of the Southern United States. Virginia is nicknamed the "Old Dominion" and sometimes the "Mother of Presidents" after the eight U.S. presidents born there...

, on 14 May 1944. On 17 May 1944 she sailed for Casablanca

Casablanca

Casablanca is a city in western Morocco, located on the Atlantic Ocean. It is the capital of the Grand Casablanca region.Casablanca is Morocco's largest city as well as its chief port. It is also the biggest city in the Maghreb. The 2004 census recorded a population of 2,949,805 in the prefecture...

 carrying men and cargo

Cargo

Cargo is goods or produce transported, generally for commercial gain, by ship, aircraft, train, van or truck. In modern times, containers are used in most intermodal long-haul cargo transport.-Marine:...

 of Blimp

Blimp

A blimp, or non-rigid airship, is a floating airship without an internal supporting framework or keel. A non-rigid airship differs from a semi-rigid airship and a rigid airship in that it does not have any rigid structure, neither a complete framework nor a partial keel, to help the airbag...

 Squadron 14. Returning to Norfolk on 9 June 1944, she carried cargo and personnel for Fleet Air Wing 7 in the United Kingdom

United Kingdom

The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...

 from 8 July 1944 to 9 August 1944, then sailed south to Recife

Recife

Recife is the fifth-largest metropolitan area in Brazil with 4,136,506 inhabitants, the largest metropolitan area of the North/Northeast Regions, the 5th-largest metropolitan influence area in Brazil, and the capital and largest city of the state of Pernambuco. The population of the city proper...

, Brazil

Brazil

Brazil , officially the Federative Republic of Brazil , is the largest country in South America. It is the world's fifth largest country, both by geographical area and by population with over 192 million people...

, reporting to Commander, Fleet Air Wing 16, for duty on 31 August 1944. She transported passengers and cargo between various Brazilian ports until 15 January 1945, when she departed Natal

Natal, Rio Grande do Norte

-History:The northeastern tip of South America, Cabo São Roque, to the north of Natal and the closest point to Europe from Latin America, was first visited by European navigators in 1501, in the 1501–1502 Portuguese expedition led by Amerigo Vespucci, who named the spot after the saint of the day...

, Brazil, for Bristol

Bristol

Bristol is a city, unitary authority area and ceremonial county in South West England, with an estimated population of 433,100 for the unitary authority in 2009, and a surrounding Larger Urban Zone with an estimated 1,070,000 residents in 2007...

, England

England

England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

, carrying personnel and cargo for Commander, Fleet Air Wing 7. On 14 February 1945 she returned to Norfolk, whence, until mid-June 1945, she carried men and equipment to Bristol and Avonmouth

Avonmouth

Avonmouth is a port and suburb of Bristol, England, located on the Severn Estuary, at the mouth of the River Avon.The council ward of Avonmouth also includes Shirehampton and the western end of Lawrence Weston.- Geography :...

 in England.

Peacetime service 1945-1947

Rehoboth retransited the Panama Canal on 18 August 1945, and after calls at San Diego and Pearl Harbor

Pearl Harbor

Pearl Harbor, known to Hawaiians as Puuloa, is a lagoon harbor on the island of Oahu, Hawaii, west of Honolulu. Much of the harbor and surrounding lands is a United States Navy deep-water naval base. It is also the headquarters of the U.S. Pacific Fleet...

, Hawaii

Hawaii

Hawaii is the newest of the 50 U.S. states , and is the only U.S. state made up entirely of islands. It is the northernmost island group in Polynesia, occupying most of an archipelago in the central Pacific Ocean, southwest of the continental United States, southeast of Japan, and northeast of...

, she arrived off Okinawa on 2 October 1945. There for two weeks she tended planes of Air-Sea Rescue

Air-sea rescue

Air-sea rescue is the coordinated search and rescue of the survivors of emergency water landings as well as people who have survived the loss of their sea-going vessel. ASR can involve a wide variety of resources including seaplanes, helicopters, submarines, rescue boats and ships...

 Squadron 6 (VH-6), then steamed to Jinsen (now Incheon

Incheon

The Incheon Metropolitan City is located in northwestern South Korea. The city was home to just 4,700 people when Jemulpo port was built in 1883. Today 2.76 million people live in the city, making it Korea’s third most populous city after Seoul and Busan Metropolitan City...

), Korea

Korea

Korea ) is an East Asian geographic region that is currently divided into two separate sovereign states — North Korea and South Korea. Located on the Korean Peninsula, Korea is bordered by the People's Republic of China to the northwest, Russia to the northeast, and is separated from Japan to the...

, where she took command of a seadrome and tended planes of Patrol Bombing

Patrol bomber

A maritime patrol aircraft , also known as a patrol aircraft, maritime reconnaissance aircraft, or by the older American term patrol bomber, is a fixed-wing aircraft designed to operate for long durations over water in maritime patrol roles - in particular anti-submarine, anti-ship and search and...

 Squadron 20 (VPB-20). In mid-November 1945 she crossed the Yellow Sea

Yellow Sea

The Yellow Sea is the name given to the northern part of the East China Sea, which is a marginal sea of the Pacific Ocean. It is located between mainland China and the Korean Peninsula. Its name comes from the sand particles from Gobi Desert sand storms that turn the surface of the water golden...

, and from 18 November 1945 to 21 December 1945 she tended a detachment of VH-6. On 25 December 1945 she arrived at Shanghai

Shanghai

Shanghai is the largest city by population in China and the largest city proper in the world. It is one of the four province-level municipalities in the People's Republic of China, with a total population of over 23 million as of 2010...

, China

China

Chinese civilization may refer to:* China for more general discussion of the country.* Chinese culture* Greater China, the transnational community of ethnic Chinese.* History of China* Sinosphere, the area historically affected by Chinese culture...

, to tend Air-Sea Rescue Squadron 1 (VH-1) and Patrol Bombing Squadron 25 (VPB-25) seaplane

Seaplane

A seaplane is a fixed-wing aircraft capable of taking off and landing on water. Seaplanes that can also take off and land on airfields are a subclass called amphibian aircraft...

s. On 25 January 1946, Rehoboth got underway for Nagoya, Japan

Japan

Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...

, thence proceeded to Kobe

Kobe

, pronounced , is the fifth-largest city in Japan and is the capital city of Hyōgo Prefecture on the southern side of the main island of Honshū, approximately west of Osaka...

, Japan, on 17 February 1946, where she set up an auxiliary seadrome area. On 24 March 1946 she arrived at Sasebo

United States Fleet Activities Sasebo

U.S. Fleet Activities Sasebo is a United States Navy naval base, in Sasebo, Japan, on the island of Kyūshū. It provides facilities for the logistic support of forward-deployed units and visiting operating forces of the United States Pacific Fleet and designated tenant activities.- History :Sasebo...

, Japan, where she assumed seadrome control.

Rehoboth continued to serve in Japanese waters until August 1946 when she returned briefly to the Chinese coast, then operated off Australia

Australia

Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...

 and in the Philippines

Philippines

The Philippines , officially known as the Republic of the Philippines , is a country in Southeast Asia in the western Pacific Ocean. To its north across the Luzon Strait lies Taiwan. West across the South China Sea sits Vietnam...

. In November 1946 she returned to Japan, whence she sailed east in 1947. Arriving at San Diego on 18 March 1947, she continued on, transited the Panama Canal at the end of March 1947, and reached Philadelphia

Philadelphia, Pennsylvania

Philadelphia is the largest city in the Commonwealth of Pennsylvania and the county seat of Philadelphia County, with which it is coterminous. The city is located in the Northeastern United States along the Delaware and Schuylkill rivers. It is the fifth-most-populous city in the United States,...

, Pennsylvania

Pennsylvania

The Commonwealth of Pennsylvania is a U.S. state that is located in the Northeastern and Mid-Atlantic regions of the United States. The state borders Delaware and Maryland to the south, West Virginia to the southwest, Ohio to the west, New York and Ontario, Canada, to the north, and New Jersey to...

, on 9 April 1947. She was decommissioned

Ship decommissioning

To decommission a ship is to terminate her career in service in the armed forces of her nation. A somber occasion, it has little of the elaborate ceremony of ship commissioning, but carries significant tradition....

 on 30 June 1947.

Oceanographic survey operations 1948-1970

Rehoboth commenced conversion to an oceanographic survey ship in 1948. She recommissioned on 2 September 1948, and commenced oceanographic survey work under the direction of the Navy Hydrographic Office

Hydrographic office

A hydrographic office is an organization which is devoted to acquiring and publishing hydrographic information.Historically, the main tasks of hydrographic offices were the conduction of hydrographic surveys and the publication of nautical charts...

, predecessor of the Naval Oceanographic Office

Naval Oceanographic Office

The Naval Oceanographic Office , located at John C. Stennis Space Center in south Mississippi, comprises approximately 1,000 civilian, military and contract personnel responsible for providing oceanographic products and services to all elements within the Department of Defense.Valued by maritime...

, being redesignated AGS-50 in August 1949. Equipped with a small laboratory

Laboratory

A laboratory is a facility that provides controlled conditions in which scientific research, experiments, and measurement may be performed. The title of laboratory is also used for certain other facilities where the processes or equipment used are similar to those in scientific laboratories...

 and machinery to take Nansen casts, which provide the oceanographer with the temperature

Temperature

Temperature is a physical property of matter that quantitatively expresses the common notions of hot and cold. Objects of low temperature are cold, while various degrees of higher temperatures are referred to as warm or hot...

 and samples of sea water at different depths, and to drill for core samples, she traveled over 300000 nautical miles (555,600 km) in the North Atlantic and adjacent seas during her first six years of operation.

In February 1952, while crossing the Atlantic, Rehoboth discovered and accurately positioned an underwater mountain

Mountain

Image:Himalaya_annotated.jpg|thumb|right|The Himalayan mountain range with Mount Everestrect 58 14 160 49 Chomo Lonzorect 200 28 335 52 Makalurect 378 24 566 45 Mount Everestrect 188 581 920 656 Tibetan Plateaurect 250 406 340 427 Rong River...

 range with heights up to 12,000 feet (3,658 m) above the ocean

Ocean

An ocean is a major body of saline water, and a principal component of the hydrosphere. Approximately 71% of the Earth's surface is covered by ocean, a continuous body of water that is customarily divided into several principal oceans and smaller seas.More than half of this area is over 3,000...

 floor. In March 1952 she discovered and charted a 7,000-foot (2,134 m) undersea mountain near Bermuda

Bermuda

Bermuda is a British overseas territory in the North Atlantic Ocean. Located off the east coast of the United States, its nearest landmass is Cape Hatteras, North Carolina, about to the west-northwest. It is about south of Halifax, Nova Scotia, Canada, and northeast of Miami, Florida...

 and in August 1953 she became the first ship to anchor in over 2½ miles (4,023 m) of water.

Employed on special projects in 1953 and 1954, she returned to oceanographic survey work in the Atlantic and Caribbean

Caribbean

The Caribbean is a crescent-shaped group of islands more than 2,000 miles long separating the Gulf of Mexico and the Caribbean Sea, to the west and south, from the Atlantic Ocean, to the east and north...

 in 1953.

Transferred to the Pacific in 1956, Rehoboth departed Philadelphia on 15 February 1956. Transiting the Panama Canal on 22 February 1956, she was diverted to an area northwest of the Galapagos Islands

Galápagos Islands

The Galápagos Islands are an archipelago of volcanic islands distributed around the equator in the Pacific Ocean, west of continental Ecuador, of which they are a part.The Galápagos Islands and its surrounding waters form an Ecuadorian province, a national park, and a...

 to search for the raft Cantuta, which she found after four days. On 9 March 1956 Rehoboth reached San Francisco, and for the next year operated off the United States West Coast. On 4 March 1957 she proceeded to Pearl Harbor for three months of work in Hawaii

Hawaii

Hawaii is the newest of the 50 U.S. states , and is the only U.S. state made up entirely of islands. It is the northernmost island group in Polynesia, occupying most of an archipelago in the central Pacific Ocean, southwest of the continental United States, southeast of Japan, and northeast of...

an waters. For the next nine months she operated in the eastern Pacific. In April 1958 she extended her range to the Marshall Islands

Marshall Islands

The Republic of the Marshall Islands , , is a Micronesian nation of atolls and islands in the middle of the Pacific Ocean, just west of the International Date Line and just north of the Equator. As of July 2011 the population was 67,182...

 and in 1960 to the Western Pacific. In October 1960 she also added operations off the coast of South America

South America

South America is a continent situated in the Western Hemisphere, mostly in the Southern Hemisphere, with a relatively small portion in the Northern Hemisphere. The continent is also considered a subcontinent of the Americas. It is bordered on the west by the Pacific Ocean and on the north and east...

. For the next four years her missions spanned the Pacific from equator

Equator

An equator is the intersection of a sphere's surface with the plane perpendicular to the sphere's axis of rotation and containing the sphere's center of mass....

ial to arctic

Arctic

The Arctic is a region located at the northern-most part of the Earth. The Arctic consists of the Arctic Ocean and parts of Canada, Russia, Greenland, the United States, Norway, Sweden, Finland, and Iceland. The Arctic region consists of a vast, ice-covered ocean, surrounded by treeless permafrost...

 climes.

In September 1965 Rehoboth completed operations in the northern Pacific and in November 1965 commenced survey operations in the South China Sea

South China Sea

The South China Sea is a marginal sea that is part of the Pacific Ocean, encompassing an area from the Singapore and Malacca Straits to the Strait of Taiwan of around...

, conducting in December 1965 a hydrographic

Hydrography

Hydrography is the measurement of the depths, the tides and currents of a body of water and establishment of the sea, river or lake bed topography and morphology. Normally and historically for the purpose of charting a body of water for the safe navigation of shipping...

 survey of the coast of South Vietnam

South Vietnam

South Vietnam was a state which governed southern Vietnam until 1975. It received international recognition in 1950 as the "State of Vietnam" and later as the "Republic of Vietnam" . Its capital was Saigon...

 from the Mekong Delta

Mekong Delta

The Mekong Delta is the region in southwestern Vietnam where the Mekong River approaches and empties into the sea through a network of distributaries. The Mekong delta region encompasses a large portion of southwestern Vietnam of . The size of the area covered by water depends on the season.The...

 to Cape Padaran.

After completing survey operations in the South China Sea in February 1966, Rehoboth sailed east, arriving at San Francisco

San Francisco, California

San Francisco , officially the City and County of San Francisco, is the financial, cultural, and transportation center of the San Francisco Bay Area, a region of 7.15 million people which includes San Jose and Oakland...

, California, on 23 March 1966. Overhaul and United States West Coast operations followed. In 1967 she conducted operations in the northern and western Pacific. In California waters from December 1967 until 14 March 1968, she then departed San Francisco for Yokosuka, Japan. She undertook survey operations in the Philippine Sea

Philippine Sea

The Philippine Sea is a marginal sea east and north of the Philippines occupying an estimated surface area of 2 million mi² on the western part of the North Pacific Ocean...

 until August 1968, returning to San Francisco on 26 September 1968, where she remained for the balance of the year. She operated off the California coast in early 1969 until deploying to the Far East

Far East

The Far East is an English term mostly describing East Asia and Southeast Asia, with South Asia sometimes also included for economic and cultural reasons.The term came into use in European geopolitical discourse in the 19th century,...

 in August 1969, returning in December 1969 to San Francisco.

Final decommissioning and disposal

Rehoboth again was decommissioned and was struck from the Navy List

Navy List

A 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 country....

on 15 April 1970. She was sold for scrapping in September 1970.