USNS Sioux (T-ATF 171)

- Military Sealift Command -

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Named after the Dakota Indians of North America, which occupy North and South Dakota, the USNS SIOUX is the sixth POWHATAN - class ocean tug. The Indian tribe after which the SIOUX is named became known as the Sioux from a mispronounciation of an enemy tribe's word meaning "snake."

The USNS SIOUX is equipped with a 10-ton capacity crane and a bollard pull of at least 54 tons. A deck grid is fitted aft which contains 1 inch bolt receptacles spaced 24 inches apart. This allows for the bolting down of a wide variety of portable equipment. There are two GPH fire pumps supplying three fire monitors with up to 2,200 gallons of foam per minute. A deep module can be embarked to support naval salvage teams.

General Characteristics:	Awarded: February 27, 1978
	Keel laid: March 22, 1979
	Launched: November 15, 1980
	Delivered: May 1, 1981
	Builder: Marinette Marine Corp., Marinette, WI.
	Propulsion system: 2 GM EMD 20-645F7B diesels; 5.73 MW sustained; 2 shafts; Kort nozzles; cp props; bow thruster; 300 hp (224 kW)
	Propellers: two
	Length: 226 feet (68.9 meters)
	Beam: 42 feet (12.8 meters)
	Draft: 15.1 feet (4.6 meters)
	Displacement: approx. 2,260 tons full load
	Speed: 14.5 knots
	Aircraft: none
	Armament: none
	Crew: 16 civilians and 4 naval communications technicians
	Homeport: San Diego, Calif.

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Crew List:

This section contains the names of sailors who served aboard USNS SIOUX. It is no official listing but contains the names of sailors who submitted their information.

Click here to view the list.

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USNS SIOUX Image Gallery:

The photo below was taken by me and shows the SIOUX at Naval Base San Diego, Calif., on March 10, 2008.

The photos below were taken by me and show the SIOUX at Naval Base Point Loma, Calif. The first four photos were taken on September 29, 2011, while the last photo was taken on October 2, 2011.

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