The USS Arikara was a Navy Ocean Going Tug.  She was laid down as AT 98 on 10 January 1943, and launched on 22 June 1943.  The USS Arikara (AT 98) was commissioned on 5 January 1944.  The Arikara as well as others of the AT class was re-designated as (ATF 98) on 15 May, 1944.

The ship saw continuous duty through WWII, Korea, and Vietnam as well as peace time.

USS Arikara was decommissioned on 1 July 1971 and immediately transferred to Chile as Sargento Aledea (ATF 63).  After 21 years in the Chilean Navy she was decommissioned on 14 August 1992 and subsequently sunk as a target.

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Arikara vintage about 1954 in this picture sent in by Ed Middleton	Arikara backing out of "Mike Dock" circa 1962
	Chilean ship Sargento Aledea (ATF 63) about 1980.
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As Built Specifications Displacement: 1,205 t.(lt) 1,646 t.(fl) Length: 205 Feet Beam: 39 Feet Draft : 17 Feet  (max) Speed: 16 Knots  (downhill) Complement: 8 Officers  68 Enlisted Armament: One single 3"/50 gun mount, two twin 40mm gun mounts, two single 20 gun mounts Propulsion: Four 531 Alco diesel-electric engines of 900 HP each, single screw, Double ended 3000 HP main Motor,  3,000 Shp Ships Service: One 200 KW Cooper Bessemer FS6 Diesel generator set, two 100 KW Superior Engine Diesel generator sets Mk14 Mod1 Sperry Gyro, Almond A Johnson model 222 towing machine The 50's crew morns the passing of another of our great shipmates. CWO Rogger Tiefenbach, Chief Engineer in 1956-1958 Passed away in El Cajon, California on 22 March, 2006.  Rodger was captured by the Japanese on Corregidor on 6 May, 1942 and was interred in Japanese prison camps until August, 1945.  He was a great positive influence on all of us that served with him. Rogger's Prison Camp Messkit Bowl Diary

   
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