SUBMARINE SQUADRON SEVEN Naval Historical Center records show Submarine Squadron SEVEN was first established during the Second World War, organized with two submarine divisions (COMSUBDIVs 71 and...
SUBRON 4 is a Submarine Squadron that was founded in 1930 with fast-attack submarines and was based out of Pearl Harbor. Currently SUBRON 4 is based out of Groton, Connecticut at Naval Submarine Base...