USS Osprey (AM-29) was an Lapwing-class minesweeper commissioned by the United States Navy for service in World War I. She was responsible for removing mines from harbors, and, in her role as rescue and salvage ship, she was responsible for coming to the aid of stricken vessels. After service in the United States Coast and Geodetic Survey as the survey ship USC&GS Pioneer, she returned to the U.S. Navy in 1941 as the salvage ship USS Crusader (ARS-2), serving as such through the end of World War II.
USS Oceanographer (AGS-3) was a survey ship of the United States Navy during World War II that produced charts chiefly of passages in the Solomon Islands area of the Pacific Ocean. Upon transfer to the Navy, she had initially briefly been named and classed as gunboat USS Natchez (PG-85). Before her World War II Navy service, she had been USC&GS Oceanographer (OSS-26), a survey ship with the United States Coast and Geodetic Survey from 1930.
The fifth USS Ranger (SP-237) was United States Navy patrol vessel in commission from 1917 to 1919.
USS Lydonia (SP-700) was United States Navy patrol vessel in commission from 1917 to 1919 that saw service during World War I. Prior to her U.S. Navy service, she had been William A. Lydon's private yacht, Lydonia II, from 1912 to 1917. She spent most of the war based at Gibraltar, escorting and protecting Allied ships in the Mediterranean and along the Atlantic Ocean coast of Europe. After her U.S. Navy service ended, she served from 1919 to 1947 in the United States Coast and Geodetic Survey as the coastal survey ship USCGS Lydonia (CS-302).
USC&GS Carlile P. Patterson was a survey ship of the United States Coast and Geodetic Survey in operation between 1883 and 1918. Subsequently, she had a brief period of naval service and fifteen seasons as a merchant vessel before she was wrecked on the Alaska coast in 1938.
USC&GS Pioneer was a survey ship that served in the United States Coast and Geodetic Survey from 1922 to 1941. She was the first ship of the Coast and Geodetic Survey to bear the name.
USS Surveyor was an armed steamer that served in the United States Navy from 1917 to 1919. Prior to her U.S. Navy service, she operated as the survey ship USC&GS Surveyor for the United States Coast and Geodetic Survey in 1917, and she returned to that role after her U.S. Navy decommissioning, remaining in Coast and Geodetic Survey service until 1956.
USC&GS Natoma was built as the private motorboat Natoma in 1913 for Charles H. Foster, President of the Cadillac Motor Car Company of Chicago. In 1917 the United States Navy acquired the boat for use in World War I. The vessel was commissioned USS Natoma for Section Patrol duties and designated SP-666. Natoma spent the war years patrolling New York harbor and approaches. On 9 April 1919 the boat was transferred to United States Coast and Geodetic Survey surveying on both coasts until 1935.
USS Elsie III (SP-708) was a United States Navy patrol vessel in commission from 1917 to 1919 that saw service during World War I. After the completion of her U.S. Navy career, she was in commission in the United States Coast and Geodetic Survey as the survey launch USC&GS Elsie III from 1919 to 1944.
USC&GS Ranger was a steamer that served in the United States Coast and Geodetic Survey from 1919 to 1930 or 1931.
USC&GS Isis was a survey ship that served in the United States Coast and Geodetic Survey from 1915 to 1917 and from 1919 to 1920.
The first USC&GS Discoverer was a survey ship that served in the United States Coast and Geodetic Survey from 1922 to 1941.
The second USC&GS Guide was a survey ship that served in the United States Coast and Geodetic Survey from 1941 to 1942.
USC&GS Mikawe was a United States Coast and Geodetic Survey launch in commission from 1920 to 1939.
USS Onward (SP-311), a former yacht named Galatea and then Ungava was a patrol yacht acquired by the U.S. Navy during World War I. She was transferred to the United States Coast and Geodetic Survey where she served briefly until return to the Navy for a brief time before her disposal by sale. She was renamed Thelma Phoebe.
The first USC&GS Explorer was a steamer that served as a survey ship in the United States Coast and Geodetic Survey from 1904 to 1939 except for a brief time in United States Navy service from 1918 to 1919 for patrol duty in Alaskan waters as USS Explorer during World War I. After initial service along the United States East Coast and off Puerto Rico, the ship transferred to Seattle, Washington in 1907 to begin survey work in Alaskan waters during summer and more southern waters along the United States West Coast in winter. On her return from the Navy in 1919, the ship was condemned and due to be sold but instead was retained as a survey vessel into the fall of 1939. After a stint with the National Youth Administration from 1939 to 1941, she saw service during World War II with the United States Army Corps of Engineers as the freight and supply ship Atkins.
USS Audwin (SP-451) was a patrol vessel that served in the United States Navy from 1917 to 1919. She then was a survey vessel in the United States Coast and Geodetic Survey from 1919 to 1927.
USS PCS-1450, ex-PC-1450, was a United States Navy minesweeper in commission from 1944 to 1946. She saw service in the latter stages of World War II.
USS PCS-1405 was a United States Navy minesweeper in commission from 1944 to 1946. She saw service in the latter stages of World War II.
USS Helianthus (SP-585) was a patrol vessel in commission in the United States Navy from 1917 to 1919, seeing service in World War I. After her U.S. Navy service, she was in commission in the United States Coast and Geodetic Survey as the survey launch USC&GS Helianthus from 1919 to 1939. She was named after the Helianthus, the genus to which the sunflower belongs.
United States Navy
U.S. Coast and Geodetic Survey