LOST WITH ALL HANDS - 28 SEP 1943

The USS CISCO was lost on 08 SEP 1943 on her first war patrol with the loss of 76 officers and men in the Sulu Sea west of Mindinao.

Japanese records tell of sighting a submarine leaking oil in the area where USS CISCO was known to have been on duty, and that a submarine, presumably USS CISCO, was sunk by bombs and depth charges.