USNS Triumph (T-AGOS-4)

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USNS Triumph (T-AGOS-4).jpg
Triumph departing Pearl Harbor, 1991.
United States
Name: USNS Triumph (T-AGOS-4)
Operator: Military Sealift Command
Ordered: February 13, 1981
Builder: Tacoma Boatbuilding
Laid down: January 3, 1984
Launched: September 17, 1984
Acquired: February 19, 1985
Struck: January 6, 1995
Fate: Disposed of by Navy title transfer to the Maritime Administration
General characteristics
Displacement: 2,250 tons
Length: 224 ft (68 m)
Beam: 43 ft (13 m)
Draft: 16.0 ft (4.9 m)
Speed: 11 kn (20 km/h; 13 mph)
Crew: 36

USNS Triumph (T-AGOS-4) was a Stalwart-class ocean surveillance ship of the United States Navy. She was struck from the Naval Vessel Register in 1995. On 1 October 2012 the ship was disposed of by Navy title transfer to the Maritime Administration.[1] As of May 2015, Triumph was held as a reserve asset for spare parts for sister ships General Rudder and State of Michigan.[2][3]

Stalwart class ships were originally designed to collect underwater acoustical data in support of Cold war anti-submarine warfare operations in the 1980s.

In 1998, the US Congress authorized the sale of Triumph,[4] without the towed sonar array, to the Philippines for $11,370,000.[5] However, the sale was not completed.


The Stalwart-class ocean surveillance ships were succeeded by the longer Victorious-class ocean surveillance ships. Triumph had an overall length of 224 feet (68 m) and a length of 203 feet 6 inches (62.03 m) at its waterline. It had a beam of 43 feet (13 m) and a draft of 15 feet (4.6 m). The surveillance ship had a displacement of 1,600 tonnes (1,600 long tons; 1,800 short tons) at light load and 2,301 tonnes (2,265 long tons; 2,536 short tons) at full load. It was powered by a diesel-electric system of four Caterpillar D-398 diesel-powered generators and two General Electric 550 metric horsepower (540 shp; 400 kW) electric motors. This produced a total of 3,200 metric horsepower (3,200 shp; 2,400 kW) that drove two shafts. It had a gross register tonnage of 1,584 and a deadweight tonnage of 786.[6]

The Stalwart-class ocean surveillance ships had maximum speeds of 11 knots (20 km/h; 13 mph). They were built to be fitted with the Surveillance Towed Array Sensor System (SURTASS) system. The ship had an endurance of thirty days. It had a range of 3,000 miles (2,600 nmi; 4,800 km) and a speed of 11 knots (20 km/h; 13 mph). Its complement was between thirty-two and forty-seven. Its hull design was similar to that of the Powhatan-class fleet ocean tugs.[6]


  1. ^ Naval Vehicle Register: Triumph
  2. ^ "National Defense Reserve Fleet Inventory" (PDF). Maritime Administration. 5 May 2015. p. 9. 
  3. ^ "USNS Triumph (T-AGOS-4) (Retention ship)". Maritime Administration. Archived from the original on 2013-10-05. 
  4. ^ Pub.L. 105–262
  5. ^ "Senate Report 105-333 - Security Assistance Act of 1998 (which did not become law)". US Senate, 105th Congress. September 14, 1998. 
  6. ^ a b Norman Polmar (2005). The Naval Institute Guide to the Ships and Aircraft of the U.S. Fleet. Naval Institute Press. p. 617. ISBN 978-1-59114-685-8. 

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