SS Frederick E. Williamson was a Liberty ship built in the United States during World War II. She was named after Frederick E. Williamson.

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History
United States
Name	Frederick E. Williamson
Namesake	Frederick E. Williamson
Owner	War Shipping Administration (WSA)
Operator	International Freigting Corp.
Ordered	as type (EC2-S-C5) hull, MC hull 2334
Builder	J.A. Jones Construction, Panama City, Florida[1]
Cost	$1,248,119[2]
Yard number	75
Way number	5
Laid down	18 November 1944
Launched	23 December 1944
Sponsored by	Mrs. Ruby Harris
Completed	12 January 1945
Identification	Call sign: ANEC [2]
Fate	Placed in the National Defense Reserve Fleet, Hudson River Reserve Fleet, Jones Point, New York, 5 June 1946 Returned to, Hudson River Reserve Fleet, Jones Point, 28 February 1947 Transferred to the, James River Reserve Fleet, Lee Hall, Virginia, 6 October 1947 Returned to the, James River Reserve Fleet, Lee Hall, 20 October 1951 Placed in the, National Defense Reserve Fleet, Olympia, Washington, 2 October 1953 Transferred to US Navy, 8 April 1970 Scuttled, May 1970
General characteristics [3]
Class and type	Liberty ship type EC2-S-C5, boxed aircraft transport
Tonnage	10,600 LT DWT 7,200 GRT
Displacement	3,380 long tons (3,434 t) (light) 14,245 long tons (14,474 t) (max)
Length	441 feet 6 inches (135 m) oa 416 feet (127 m) pp 427 feet (130 m) lwl
Beam	57 feet (17 m)
Draft	27 ft 9.25 in (8.4646 m)
Installed power	2 × Oil fired 450 °F (232 °C) boilers, operating at 220 psi (1,500 kPa) 2,500 hp (1,900 kW)
Propulsion	1 × triple-expansion steam engine,  (manufactured by Filer and Stowell, Milwaukee, Wisconsin) 1 × screw propeller
Speed	11.5 knots (21.3 km/h; 13.2 mph)
Capacity	490,000 cubic feet (13,875 m3) (bale)
Complement	38–62 USMM 21–40 USNAG
Armament	Varied by ship Bow-mounted 3 inches (76 mm)/50 caliber gun Stern-mounted 4 inches (102 mm)/50 caliber gun 2–8 × single 20 millimeters (0.79 in) Oerlikon anti-aircraft (AA) cannons and/or, 2–8 × 37 millimeters (1.46 in) M1 AA guns

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Frederick E. Williamson was laid down on 18 November 1944, under a Maritime Commission (MARCOM) contract, MC hull 2334, by J.A. Jones Construction, Panama City, Florida; sponsored by Mrs. Ruby Harris, the owner of the Cove Hotel, Panama City, she was launched on 23 December 1944.^[1][2]

She was allocated to International Freigting Corp., on 12 January 1945. On 5 June 1946, she was laid up in the Hudson River Reserve Fleet, Jones Point, New York. On 29 January 1947, while being withdrawn from the fleet to be delivered to Moore-McCormack Lines, Inc., she was damaged. With estimates of repairs at $70,000 she was returned to the Hudson River Reserve Fleet. After repairs she was charted to Waterman Steamship Corp., 30 August 1947. She was laid up in the James River Reserve Fleet, Lee Hall, Virginia, 6 October 1947. On 20 October 1951, she was charted to American President Lines. She was laid up in the National Defense Reserve Fleet, Olympia, Washington, 2 October 1953. On 8 April 1970, she was transferred to the US Navy for use as a Ammo Disposal Ship. She was scuttled with obsolete ammunition 100 nmi (190 km; 120 mi) off the coast of Tatoosh Island, Washington.^[4][5]