William D. Leahy
"Lang" was laid down by the Federal Shipbuilding &amp; Dry Dock Company, Kearny, New Jersey, 5 April 1937, launched 27 August 1938, sponsored by Mrs William D. Leahy, wife of Admiral William D. Leahy, Chief of Naval Operations and commissioned 30 March 1939 with Lieutenant Commander Felix L Johnson in command.