any ships she would have found there. After the departure, Corallo was never heard from again. After the end of the war, from British records, it was established that on the night of December 13, 1942, Corallo 14 miles from Bougie, was spotted and attacked by four British escorts (, , , ) from the KMS-4 convoy, sailing from Gibraltar to Algiers. Corallo was depth charged, damaged and forced to surface. At this point, according to some sources, Corallo tried to engage with her deck gun, but the British sloop accelerated and rammed the submarine. While suffered serious collision damage even to her inner structures, Corallo had the worst of it, and sunk with all hands (commander Guidi, 5 officers, and 43 other crew members) in the position . Notes References Perla-class submarines World War II submarines of Italy Lost submarines of Italy Maritime incidents in December 1942 World War II shipwrecks in the Mediterranean Sea 1936 ships Ships built by Cantieri Riuniti dell'Adriatico Ships built in Monfalcone Ships lost with all hands Submarines sunk by British warships