23 May 1939 SS 192 26 killed
World War Two
3 May 1945 SS 371 Lagarto 86 killed all hands lost
12 May 1944 SS 211 Gudgeon 79 killed all hands lost
Cold War
20 May 1958 SS 415 Stickleback Collision with USS Silverstein DE 5334 no loss of life
22 May to 5 June 1968 SSN 589 Scorpion 99 killed all hands lost, cause unknown