USS Gandy ( DE - 764 ) USS " Gandy " ( DE - 764 ) was a built for the United States Navy during World War II . She served in the Atlantic Ocean and the Pacific Ocean and provided escort service against submarine and air attack for Navy vessels and convoys . She was named in honor of Seaman Second Class Andrew Jackson Gandy who gallantly gave his life on board heavy cruiser in a heroic gunnery action against Japanese torpedo planes during the Battle of Guadalcanal , 12 – 13 November 1942 . He was posthumously awarded the Navy Cross . Gandy was launched on 12 December 1943 by the Tampa Shipbuilding Co . , Tampa , Florida ; sponsored by Miss Ruby Gandy , sister of Seaman Gandy ; and commissioned at Tampa on 7 February 1944 , Lt . Comdr W . A . Sessions in command . World War II North Atlantic operations . " Gandy " , following shakedown training in Bermuda waters , joined Escort Division 22 at New York . After escorting to Norfolk , Virginia , she departed New York on 15 April 1944 as part of the escort for fast tanker Convoy CU - 21 bound for Northern Ireland . The second day of the voyage at 0806 , on 16 April , torpedo ed and sank tanker . During recovery of survivors by , " Gandy " and at 0950 , " Joyce " made sound contact with the U - boat and delivered a depth charge attack . When " U - 550 " surfaced about on " Gandy ' s " starboard bow , Comdr . Sessions ordered " Right full rudder , come to 320 , open fire and stand by to ram . " Sinking of German submarine U - 550 . " Gandy " headed for the submarine ' s conning tower but the U - boat ' s deft maneuvers caused the escort destroyer to hit it from the stern . " Gandy " hauled clear , silenced the submarine ' s machine gun battery with a short burst of gunfire , then observed the Germans abandoning ship . " Joyce " recovered twelve survivors as " Gandy " , with nearly four feet of her bow strake gone and several plates buckled , assessed her damage . " U - 550 " was shaken by a muffled explosion and sank . Four of " Gandy ' s " men were injured in the fight . " Gandy " continued with the convoy which reached Lisahally , Northern Ireland , on 26 April 1944 . She returned to New York on 12 May and helped escort nine more convoys safely out of New York to Lisahally and Liverpool by 24 May 1945 when she returned from the last of these voyages . The sunken German U - boat was found on 23 July 2012 in deep water about 70 miles south of Nantucket , Massachusetts . Transfer to Pacific Theatre operations . After repairs in the New York Naval Shipyard , she sailed on 8 June for brief training in Cuban waters before proceeding to Hawaii . She departed Pearl Harbor on 6 August 1945 en route to the Philippines via the Marshalls and the Carolines , then sailed from Leyte on the 24th in the escort of an occupation force convoy which entered Tokyo Bay on 1 September . End - of - War activity . Following the formal signing of the surrender of Japan , the next day she escorted a convoy from Okinawa to Yokohama , Japan , and then departed on 16 November to serve the Philippine Sea Frontier on weather patrol between Manila , Samar , and Manicani . Post - War decommissioning . " Gandy " departed Samar on 1 February 1946 and reached Norfolk , Virginia , via Hawaii , San Pedro , California , and the Panama Canal , on 26 March 1946 . She decommissioned at Green Cove Springs , Florida , on 17 June 1946 . She was in reserve status until 10 January 1951 when she was transferred to Italy under the Military Assistance Program . She served the Italian Navy under the name of " Altair " ( F - 591 ) until she was stricken and sunk as a target in 1971 . Awards . " Gandy " received one battle star for service in World War II .