Official Caption: "COAST GUARD CUTTER SINKS SUB: Heaved up from below by the force of a depth charge, the Nazi U-Boat breaks surface as the U.S. Coast Guard Cutter SPENCER, guns ablaze, bears down on it, full speed ahead." Date: 17 April 1943 (Note on the back of the original photo notes: "Not to be released for publication or announced to the public before 10:00 A.M. Eastern War-Time, June 2nd."); Photo No.: 1513 Photographer: Jack January Source - NARA