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Fort Necessity / Cossatot
T2-SE-A1
Suamico Class Fleet Oiler:
USNS Cossatot (T-AO-77) place and data unknown.
 
USNS Cossatot (T-AO-77), ex. "Fort Necessity", place and data unknown.
USNS Cossatot (T-AO-77) with 4 PT-boats, place and data unknown.
 
USS Cossatot (AO-77) at anchor, date and place unknown.
( US Navy photo from "Jane's Fighting Ships 1954-55" )
 
USS Cossatot (AO-77).
( Photo Copyright N.A.R.A. )
 
USS Cossatot (AO-77).
( Photo Copyright N.A.R.A. )
 
USS Cossatot (AO-77).
( Photo Copyright N.A.R.A. )
 
USS Cossatot (AO-77).
( Photo Copyright N.A.R.A. )
 
USS Cossatot (AO-77).
( Photo Copyright US Navy )
 
USS Cossatot (AO-77), date and place unknown.

FORT NECESSITY, T2-SE-A1
History :
Built by Sun Shipbuilding & Dry Dock Co., Chester, Pennsylvania.
Yardnumber 314. UMSC No. 307. Official nr. AO-77.
Keel laid 24-10-1942. Launched 28-02-1943. Completed 20-04-1943. Gr. 10198 t., Net. 6236 t., Dw. 16613 t. L.o.a. 159,57 m., Br. 20,78 m., Dr. 9,31 m. Engine: 2 steam turbines, manufactured by General Electric Company, Lynn, Massachussetts. 7240 B.h.p., 5401 kW. Speed 15 knots. 26 Tanks.
History:
Completed as FORT NECESSITY. for United States War Shipping Administration, Philadelphia, USA.
FORT NECESSITY-1943 Acquired by the Navy from the Maritime Commission, 17 May 1943.
AO-77 COSSATOT-1943 Commissioned USS Cossatot (AO-77), 20 April 1943.
AO-77 COSSATOT-1946 Decommissioned, 7 March 1946, at San Francisco, CA.
AO-77 COSSATOT-1946 Struck from the Naval Register, 20 March 1946.
AO-77 COSSATOT-1946 Transferred to the Maritime Commission for lay up, 26 October 1946, in the National Defense Reserve Fleet Suisun Bay, Benecia, CA.
AO-77 COSSATOT-1947 Withdrawn from reserve, 23 October 1947, for operation under GAA contract by Pacific Tankers for the Naval Transportation Service as Cossatot (AO-77).
T-AO-77 COSSATOT-1949 Absorbed into the Military Sea Transportation Service (MSTS) 1 October 1949, as USNS Cossatot (T-AO-77).
T-AO-77 COSSATOT-1974 Placed out of service and transferred to the Maritime. Administration, 12 September 1974, for lay up in the National Defense Reserve Fleet, James River Group, Lee Hall, VA.
T-AO-77 COSSATOT-1974 Struck from the Naval Register, 18 September 1974.
Additional Reports:
Reported Cossatot sold to shipbreakers in Arrived 2 Sep 1975 to be broken up. [ By Luria Bros. & Co Inc. ]