sentences:  "Vital" was laid down on 1 January 1942 at Chickasaw, Alabama, by the Gulf Shipbuilding Corp.; launched on 7 September 1942; sponsored by Miss E. Herrmann; and completed on 18 May 1943.Turned over to the Royal Navy under provisions of the lend-lease agreement, "Vital" was renamed HMS "Strenuous" (J.338), and subsequently served in the Royal Navy for the duration of World War II.Returned to the United States Government after the war, on 10 December 1946, the ship resumed her former classification, AM-129, but not her former name.