Die S 26 und PC 460 kolliderten während einer normalen Patrouille und nicht im Geleit von einer Konvoy.
http://www.navsource.org/archives/08/08131.htm “S-26 (SS-131) was proceeding from Balboa, Canal Zone, to its patrol station in company with S-21 (SS-126), S-29 (SS-134) and S-44 (SS-155) and an escort vessel, PC-460, at the time of the disaster. At 2210 the escort vessel sent a visual message to the submarines that she was leaving the formation and that they could proceed on the duty assigned.S-21 was the only boat to receive the message. Shortly thereafter PC-460 struck S-26 on the starboard side of the Torpedo Room and the submarine sank within a few seconds.
Salvage operations started immediately under Captain T.J. Doyle, USN, Commanding SubRon3 and Submarine Base, Coco Solo, Canal Zone; they were not successful.”
