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	USS Mosopelea
History
United States
Name	Mosopelea
Namesake	Mosopelea
Builder	Charleston Shipbuilding & Drydock Co.
Laid down	2 January 1945
Launched	7 May 1945
Sponsored by	Mrs. David Leroy Key
Commissioned	28 July 1945
Decommissioned	2 July 1973
Stricken	21 February 1992
Identification	Callsign: NZIX; ; Hull number: ATF-158;
Honours and; awards	See Awards
Fate	Sunk as target, 27 October 1999
General characteristics
Class and type	Abnaki-class tugboat
Displacement	1,589 t (1,564 long tons), standard; 1,675 t (1,649 long tons), full;
Length	205 ft 0 in (62.48 m)
Beam	38 ft 6 in (11.73 m)
Draft	15 ft 4 in (4.67 m)
Installed power	1 × shaft; 3,600 shp (2,700 kW);
Propulsion	4 × General Motors 12-278A diesel engines; 4 × General Electric generators; 3 × General Motors 3-268A auxiliary services engines;
Speed	16.5 knots (30.6 km/h; 19.0 mph)
Range	15,000 nmi (28,000 km; 17,000 mi) at 8 knots (15 km/h; 9.2 mph)
Complement	85 officers and enlisted
Sensors and ; processing systems	AN/SPS-5B surface-search radar
Armament	1 × single 3"/50 caliber gun; 2 × twin Bofors 40 mm guns; 2 × single Oerlikon 20 mm cannons;

USS Mosopelea (ATF-158) was Abnaki-class tugboat during the World War II and Cold War. Her namesake is an Indian tribe which inhabited the area near the junction of the Ohio and Mississippi Rivers.^[1]

Design and description

The ship is displaced 1,589 tonnes (1,564 long tons) at standard load and 1,675 tonnes (1,649 long tons) at deep load The ships measured 205 feet (62.5 m) long overall with a beam of 38 feet 6 inches (11.7 m). They had a draft of 15 feet 4 inches (4.7 m). The ships' complement consisted of 85 officers and ratings.

The ships had two General Motors 12-278A diesel engines, one shaft. The engines produced a total of 3,600 shaft horsepower (2,700 kW) and gave a maximum speed of 16.5 knots (30.6 km/h; 19.0 mph). They carried a maximum of 10 tonnes (10 long tons) of fuel oil that gave them a range of 15,000 nmi (28,000 km; 17,000 mi) at 8 knots (15 km/h; 9.2 mph).

The Abnaki class was armed with a 3"/50 caliber gun anti-aircraft gun, two single-mount Oerlikon 20 mm cannon and two twin-gun mounts for Bofors 40 mm gun.

Construction and career

The ship was built at the Charleston Shipbuilding & Drydock Co. at Charleston, South Carolina. She was laid down on 2 January 1945 and launched on 7 May 1945. The ship was commissioned on 28 July 1945. She was reclassified ATF-104 on 15 May 1944.^[2]

Following shakedown off the east coast, Mosopelea departed Portsmouth Navy Yard, N.H., in early October 1945 with a tow for San Francisco, California. Steaming via the Panama Canal, the tug arrived at San Francisco on 8 November and operated off the California coast until return to Charleston with a tow, 27 January 1946. Moving on to Norfolk, the ship made a voyage to Oran, Algeria, in February, returning via Trinidad, Key West, and Boston, to Norfolk 2 May. From June to September, she made a voyage to Iceland, and then operated out of Norfolk into 1947, departing on 6 January for Bermuda and returning after an extended tow and limited deployment on 23 March.

The fleet tug continued to operate out of Norfolk, making a number of cruises to the Caribbean and gulf coast ports until June 1948, and then departed on the 12th as escort for 11 Turkish naval vessels bound for Gibraltar via Bermuda, returning 21 July.

For the next 16 years, Mosopelea operated out of Norfolk to principal ports on the eastern seaboard, also making frequent cruises to the Caribbean and operating for short intervals at ports in Labrador and Newfoundland. Supplying ships of the fleet with her valuable towing services, the tugboat made numerous extended deployments to San Juan, Mayport and Guantanamo Bay, for months at a time, operating out of those ports on various towing, research, and salvage assignments.

During the Cuban missile crisis of October‑November 1962, the ship operated on standby emergency status, towing Army personnel barges from Charleston to Port Everglades, in preparation for a possible invasion of Cuba. On 15 September 1964, the fleet tug departed Norfolk on her first 6 months deployment with the 6th Fleet in the Mediterranean, becoming the first fleet tug possessing fall salvage and diving capabilities to serve with the 6th Fleet. She operated on extended deployment in the Mediterranean into 1965 and then returned to Norfolk in late winter to resume her previous duties.

Mosopelea continued on her valuable service to the Atlantic Fleet, basing out of Norfolk and performing towing, salvage, and research duties all along the east coast and in the Caribbean into 1969. She underwent overhaul in the fall of 1970 at Norfolk shipyard. Afterward she resumed fleet duties out of Little Creek, VA and Guantanamo.