USNS Flyer (T-AG-178)

USNS Flyer (T-AG-178), was a type C2-S-B1 cargo ship of the United States Navy, built under Maritime Commission contract (MC hull 1209) by the Moore Dry Dock Company of Oakland, California as SS Water Witch.

The keel was laid on 30 October 1944, and the ship launched on 20 December 1944, sponsored by Miss. Margaret Helen Finnel.

Service history
The ship served under United States Lines as SS American Flyer before being returned to the Maritime Administration.

The ship was acquired by the US Navy from the Maritime Administration (MARAD), and placed in service on 9 February 1965, with her new name assigned on 22 March 1965.

Acquired for "Project Caesar", the cover name of the installation of SOSUS (Sound Surveillance System), she was converted for Naval service as a Miscellaneous Auxiliary, Bathymetric Survey ship. USNS Flyer was operated by the Military Sea Transportation Service (MSTS) (current Military Sealift Command) for Project Caesar.

Flyer was struck from the Naval Vessel Register on 17 July 1975, and sold by MARAD for scrapping, 27 April 1976.