Premise: USS "Thomas C. Hart" (FF-1092) was a "Knox"-class frigate , named for Admiral and Senator Thomas C. Hart. "Thomas C. Hart" (DE-1092) was laid down on 8 October 1971 at Westwego, La., by Avondale Shipyards, Inc.; launched on 12 August 1972; sponsored by Mrs. Reginald Bragonier, eldest granddaughter of Admiral Thomas C. Hart; and commissioned on 28 July 1973, Lt. Comdr. Ronald J. Forst in command.
Hypothesis: The keel for the Thomas C. Hart was was laid down on 8 October 197.1