The USS "Illinois" was commissioned at the United States Navy's primary East Coast submarine base, also known as what?
USS Illinois (SSN-786): USS "Illinois" (SSN-786) is a "Virginia"-class submarine built by Electric Boat, a division of General Dynamics. USS Illinois (SSN-786):  The submarine was delivered to the United States Navy on 27 August 2016 and was commissioned at Naval Submarine Base New London, Groton, Connecticut, on October 29, 2016. Naval Submarine Base New London: Naval Submarine Base New London is the United States Navy's primary East Coast submarine base, also known as the "Home of the Submarine Force".
Home of the Submarine Force