History

LST-542 Class Tank Landing Ship:

Laid down, 12 March 1944, at Dravo Corp., Neville Island, Pittsburgh, PA.

Launched, 22 April 1944

Commissioned USS LST-742, 23 May 1944, LT. Warren W. Holmes USNR in command

During World War II USS LST-742 was assigned to the Asiatic-Pacific Theater:

LST Flotilla Eight, CAPT. E. Watts, USN;

LST Group Twenty-Three, CDR. T.C. Linthicum,                                 USN;

LST Division Forty-Six and participated in the                                     following campaigns:

Asiatic-Pacific Campaign

Luzon Operation

Lingayen Gulf Landings: 4 - 18 January 1945

Consolidation and Capture of the Southern Philippines

Mindoro Island Landing: 15 December 1944

Visayan Island Landings: 18 March and March 29 - 3 April 1945

Borneo Operations

Tarakan Island Operation: 27 April to 5 May 1945

Top Row: Combat Action Ribbon

Second Row: Philippine President Unit Citation Ribbon

Third Row: American Campaign Medal, WW2 Victory Medal, Asiatic-Pacific Campaign Medal (3 Bronze Stars), Philippine Liberation Medal (1 Bronze Star), Philippine Independence Medal

Following the war, LST-742 was decommissioned on 26 April 1946 and transferred to the 'United States Army on 28 June 1946. 

She was returned to the United States Navy and recommissioned on 1 September 1950. 

On 1 July 1955, she was redesignated Dunn County (LST-742) after counties in North Dakota and Wisconsin. 

The ship performed service during the Korean War followed by extensive service with Amphibious Force, U.S. Pacific Fleet, until decommissioned and struck from the Navy list on 1 February 1961. Dunn County (LST-742) was sold to Zidell Explorations, Inc., of Portland, Oreg., on 6 September 1961. 

LST-742 earned three battle stars for World War II service and five battle stars for the Korean War.

Source: http://www.navsource.org/archives/10/16/160742.htm