USNS Shearwater (T-AG-177) was a Shearwater-class miscellaneous auxiliary built during the final months of World War II

World War II

World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

 for the US Army as FS-411 (Design 381 coastal freighter). FS-411 was Coast Guard manned operating in the Central and Western Pacific, including Hawaii, Saipan, TInian, Guam, during the closing days of the war.

She was placed into service by the U.S. Navy from 1964 to 1969 as USNS Shearwater (T-AG-177). After this service, she was transferred back to the U.S. Army.

Operational history as T-AG-177

Shearwater began her naval service as a survey support ship with the Military Sea Transportation Service in May 1964. Operated by a Civil Service

Civil service

The term civil service has two distinct meanings:* A branch of governmental service in which individuals are employed on the basis of professional merit as proven by competitive examinations....

 crew, she operated in the Atlantic Ocean

Atlantic Ocean

The Atlantic Ocean is the second-largest of the world's oceanic divisions. With a total area of about , it covers approximately 20% of the Earth's surface and about 26% of its water surface area...

 until mid-February 1969, when she was transferred back to the U.S. Army.