July 27th - On This Date - US Navy Submarine Service

•     1917 - Keel is laid for the USS O-2 (SS 63)
•     1918 - USS O-9 (SS 70) is commissioned
•     1918 - USS R-15 (SS 92) is commissioned
•     1938 - USS Sculpin (SS 191) is launched
•     1943 - USS Ray (SS 271) is commissioned
•     1943 - Keel is laid for the USS Queenfish (SS 393)
•     1943 - USS Sawfish fires a sucessful 'down the throat shot', the first of the Pacific War
•     1944 - USS Blenny (SS 324) is commissioned
•     1968 - USS Guitarro (SSN 665) is launched
•     1971 - USS Tigrone (SS 419) is decommissioned for the third and final time
•     1985 - USS Providence (SSN 719) is commissioned
•     1996 - USS Louisiana (SSBN 743) is launched