Key, hull DE-348, belonged to the John C. Butler class of destroyer escorts. Consolidated Steel Corporation, at Orange, Texas, laid her down on 14 December 1943 and launched her on 12 February 1944. The Navy commissioned her on 5 June 1944. Her first commanding officer was Lieutenant Commander Franklin Duerr Buckley.
Her Pacific duty took her to Hollandia, New Guinea, Leyte, and Mangarin. She was credited with 1 battle star.
Her commissioned service ended on 9 July 1946. She went to the breakers later.
