USS Livingston (AK-222)
Class overview
Operators	United States Navy
Built	1942–1944
In commission	1942–1948
Completed	65
General characteristics
Type	Cargo ship
Displacement	4,023 long tons (4,088 t) (standard) 14,550 long tons (14,780 t) (full load)
Length	441 ft 6 in (134.57 m)
Beam	56 ft 11 in (17.35 m)
Draft	28 ft 4 in (8.64 m)
Installed power	2 × Oil fired 450 °F (232 °C) boilers, operating at 220 psi (1,500 kPa) , 2,500  shp (1,900 kW)
Propulsion	1 × Vertical triple-expansion reciprocating steam engine, 1 × screw propeller
Speed	12.5  kn (23.2  km/h; 14.4  mph)
Capacity	7,800 t (7,700 long tons) DWT 444,206 cu ft (12,578.5 m3) (non-refrigerated)
Complement	206
Armament	1 × 5-inch (127 mm)/50 caliber gun 1 × 3-inch (76 mm)/50 caliber gun 2 × 40 mm (1.57 in) Bofors guns 6 × 20 mm (0.79 in) Oerlikon cannons or 1 × 5-inch/38-caliber gun 4 × 40 mm guns 12 × 20 mm guns

The Crater-class cargo ship were converted EC2-S-C1 type, Liberty cargo ships, constructed by the United States Maritime Commission (USMC) for use by the US Navy during World War II. ^[1] The designation 'EC2-S-C1': 'EC' for Emergency Cargo, '2' for a ship between 400 and 450 ft (120 and 140 m) long ( Load Waterline Length), 'S' for steam engines, and 'C1' for design C1. ^[2]

The class was named for the lead ship of its type, USS Crater (AK-70), with most ships in the class being named for astronomical bodies. Its 65 hulls were among the largest US Navy cargo ship classes.

The ships were propelled by a reciprocating steam engine using a single screw with a power of 2,500 hp (1,864 kW) shaft.

Notable incidents

• USS Aludra (AK-72) Lost in action from Japanese torpedo on 23 June 1943 south of Makira island. ^[3]
• USS Deimos (AK-78) Damaged by torpedo, 23 June 1943, then abandoned and scuttled south of Makira island. ^[4]

References

External links

• AK — Cargo Ships—Ships of the U.S. Navy, 1940–1945.

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