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USS Cahuilla (ATF-152)

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Title: USS Cahuilla (ATF-152)  
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Subject: 152 (number)
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USS Cahuilla (ATF-152)

Career (United States)
Name: USS Cahuilla
Builder: Charleston Shipbuilding & Drydock Co.
Laid down: as Cahuilla (AT-152)
Launched: 2 November 1944
Commissioned: 10 March 1945
Decommissioned: 27 June 1947
Reclassified: Fleet Ocean Tug (ATF-152), 15 May 1944
Struck: 9 July 1961
Fate: Transferred under the Security Assistance Program to Argentina, 9 July 1961
Career (Argentina)
Name: ARA Comandante General Irigoyen (A-1)
Acquired: 9 July 1961
Out of service: 2009
Fate: Museum ship
General characteristics
Class & type: Navajo class fleet tug
Displacement: 1,240 long tons (1,260 t) light
1,646 long tons (1,672 t) full
Length: 205 ft (62 m)
Beam: 38 ft 6 in (11.73 m)
Draft: 15 ft 5 in (4.70 m)
Propulsion: 4 × General Motors 12-278A Diesel-electric engines, 3,000 hp (2,237 kW), single screw
Speed: 16 knots (18 mph; 30 km/h)
Complement: 85
Armament: • 1 × 3"/50 caliber gun
• 2 × twin 40 mm guns
• 2 × 20 mm guns

USS Cahuilla (ATF-152) was a Navajo class fleet tug in the service of the United States Navy during World War II. In 1961 she was sold to the Argentine Navy as ARA Irigoyen (A-1) where she served until 2009 when became a Museum ship.

US Navy service

She was laid down as Cahuilla (AT-152) at Charleston Shipbuilding and Dry Dock Co. of Charleston, South Carolina; redesignated fleet ocean tug (ATF-152) on 15 May 1944; launched on 2 November 1944; and commissioned USS Cahuilla (ATF-152) on 10 March 1945.

World War II Pacific Theatre operations

USS Cahuilla's first service to the U.S. Navy was a brief tour as antisubmarine attack teacher at Norfolk, Virginia. From there she sailed 18 April 1945 towing USS Pegasus (AK-48) for Pearl Harbor. After delivering her tow 24 May, the fleet tug sailed for Guam, where she took a string of pontoon barges in tow for Okinawa.

From 26 July to 6 August, she served to escort convoys and as rescue tug for the ships passing through the dangerous waters off Okinawa, subject to the desperate suicide attacks of Japanese aircraft.

End-of-War operations

The end of the war found USS Cahuilla at sea, bound for salvage operations at Eniwetok, from which she returned to take part in the occupation of Nagasaki, Japan, until 16 October. From that time she was based on Okinawa for rescue and tow operations until 14 February 1946.

USS Cahuilla continued to offer towing service to fleet units, and rescue work to naval and merchant ships, calling at Pearl Harbor, Kwajalein, and ports of the west coast and Panama Canal Zone until January 1947.


USS Cahuilla was decommissioned on 27 June 1947 at San Diego, California. Laid up in the Pacific Reserve Fleet, she was struck from the Naval Register and later transferred, under the Security Assistance Program, to Argentina on 9 July 1961.

Argentine Navy service

In 1961 the tug was acquired by the Argentine Navy as an Aviso and renamed ARA Comandante General Irigoyen (A-1) in honor of Spaniard Don Matías de Irigoyen y de la Quintana who was War Secretary between 1815 and 1819. During the 1982 Falklands War she was stationed near the Isla de los Estados island and served in the rescue of the ARA General Belgrano crew.[1] During her career she also acted as an Antarctic support ship and as a submarine force divers training ship.[2] On 29 September 2009 after 400.000 miles sailed in the Argentine Sea, she was finally retired.[3]


Since 2010, she is permanently moored in San Pedro as the Buque Museo Irigoyen, the third Argentine museum ship.

See also


This article incorporates text from the here.

External links

  • Buque Museo Irigoyen - official site (Spanish)
  • NavSource Online: Service Ship Photo Archive - AT-152 / ATF-152 Cahuilla
  • An article on the Buque Museo Irigoyen opening (Spanish)
  • Video: Irigoyen's last trip

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