JULY
30 July 1919 SS 27 3 killed – After decommissioning on 2 April 1919, S 27 was selected as a target for depth charge testing. During a pre-test inspection on 30 July the boat unexpectedly flooded at sank at it’s mooring near Niantic Bay. Three of the six-person inspection team died in the dinking. At a depth of 13 1/2 fathoms the SS 27 was too deep for salvage and was struck from the Navy List.
30 July 1942 SS 216 Grunion 70 killed all hands lost, sunk by a Japanese freighter Kano Maru with a shell to the conning tower. The action occurred approximately 10 miles South of Kiska in the Aleutian Islands
11 July 1943 SS 275 Runner 78 Killed all hands lost off Northern Japan. The exact date uncertain
4 July 1944 SS 133 49 killed all hands lost off the island of Oahu while conducting training exercises with the Coast Guard Cutter Reliance. No cause of sinking was determined and the depth was too great for recovery.
26 July 1944 SS 273 Robalo was lost after radioing that she had sighted the Japanese battleship Fuso. No further messages were received. There were 77 killed and 4 taken prisoner, none survived as POWs
Pictured SS 273 Robalo at Launching in Manitowoc, Wisconsin.