USS Coconino County (LST-603)

History
Name: USS LST-603
Builder: Chicago Bridge & Iron Company, Seneca, Illinois
Laid down: 5 November 1943
Launched: 14 March 1944
Commissioned: 5 April 1944
Decommissioned: 12 May 1955
Recommissioned: 8 June 1966
Decommissioned: 1969
Renamed: USS Coconino County (LST-603), 1 July 1955
Honors and
awards:
Fate: Transferred to South Vietnam, 4 April 1969
South Vietnam
Name: RVNS Vung Tau (HQ-503)
Acquired: 4 April 1969
Fate: Unknown
General characteristics
Class and type: LST-542-class tank landing ship
Displacement:
  • 1,780 long tons (1,809 t) light
  • 3,640 long tons (3,698 t) full
Length: 328 ft (100 m)
Beam: 50 ft (15 m)
Draft:
  • Unloaded :
  • 2 ft 4 in (0.71 m) forward
  • 7 ft 6 in (2.29 m) aft
  • Loaded :
  • 8 ft 2 in (2.49 m) forward
  • 14 ft 1 in (4.29 m) aft
Propulsion: 2 × General Motors 12-567 diesel engines, two shafts, twin rudders
Speed: 12 knots (22 km/h; 14 mph)
Boats & landing
craft carried:		 2 LCVPs
Troops: approx. 140 officers and enlisted
Complement: 8-10 officers, 100-115 enlisted men
Armament:

USS Coconino County (LST-603), originally USS LST-603, was a United States Navy LST-542-class tank landing ship built for the United States Navy during World War II and in commission from 1944 to 1955 and from 1966 to 1969. Named after Coconino County, Arizona, she was the only U.S. Navy vessel to bear the name.

Construction and commission

LST-603 was laid down on 5 November 1943 at Seneca, Illinois, by the Chicago Bridge and Iron Company. Her Ship naming and launching was on 14 March 1944, sponsored by Mrs. Etla N. Hobart, and commissioned on 5 April 1944 with Ensign William B. Sweet in command.

First period in commission, 1944-1955

During World War II, LST-603 was assigned to the European Theater of Operations. She participated in Operation Dragoon, the invasion of southern France, in August and September 1944.

Following the war, she served in the Amphibious Force, United States Atlantic Fleet, including one deployment to the Mediterranean in 1950. She was decommissioned on 12 May 1955. On 1 July 1955, while out of commission, she was renamed USS Coconino County (LST-603).

Second period in commission, 1966-1969

Coconino County was recommissioned on 8 June 1966 for Vietnam War service, and operated in the Vietnam theater from 1966 until she was transferred to the Republic of Vietnam Navy on 4 April 1969.

South Vietnamese service

In South Vietnamese service, she served as RVNS "Vung Tau" (HQ-503). South Vietnam collapsed in April 1975, and her final fate is unknown.

Awards and honors

LST-603 received one battle star for World War II service, and Coconino County received six campaign stars and two awards of the Meritorious Unit Commendation for Vietnam War service.

See also

References

This article incorporates text from the public domain Dictionary of American Naval Fighting Ships.

LST-601, LST-602, LST-603, at the Naval Amphibious Base Little Creek, Virginia on 10 May 1944.


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