On the afternoon of 15 March, a second submarine was sighted. The weather, for the first time, was "perfect for a periscope approach." At 17:27, "S-32" fired a three-torpedo spread, estimated range ; track angle favorable. About two and a half minutes later, a muffled explosion was heard in the torpedo room. No explosion was heard by the control party. The S-boat went to periscope depth. Smoke was pouring skyward from the enemy's conning tower. A photograph was taken of the scene as the damaged target headed for the nearest beach. At 17:36, however, the enemy disappeared from view. Sound reported that the enemy's screws had stopped.