Haas, hull DE-424, belonged to the John C. Butler class of destroyer escorts. Brown Shipbuilding, at Houston, Texas, laid her down on 23 February 1944 and launched her on 20 March 1944. The Navy commissioned her on 2 August 1944. Her first commanding officer was Lieutenant Commander A. M. White.
Her Pacific duty took her to Manus, the Admiralty Islands, Espiritu Santo, and the Philippines.
Her commissioned service ended on 24 January 1958. She went to the breakers later.
