thetitanic is not the only famous ship that ballard has found. in may 2002, he discovered the remains of a boat called pt-109. pt-109 was a small naval boat, similar to the one in the picture. its captain was a young john f. kennedy. its job was to stop the japanese navy from carrying supplies to soldiers on the solomon islands. on 2 august 1943 pt-109 was struck by a japanese warship and sank. two men died, but kennedy and the rest of the crew managed to swim to a nearby island. the remains of pt-109 have been lying on the bottom of the sea since that day. ballard used submersibles and naval maps to locate the boat.