Posted on December 7, 2019December 8, 2019 by Erik Chipchase While patrolling Pearl Harbor Entrance on Sunday, December 7, 1941, the U.S.S. Ward attacked an unidentified submarine in the Restricted Area off the Harbor. A dispatch by voice transmission was sent to Commandant, Fourteenth Naval District at 0645 which stated: “We have attacked, fired upon, and dropped depth charges on a submarine operating in defensive sea areas.”