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. "Illinois" is the third of the Block III "Virginia"-class subs, which feature a revised bow, including some technology from "Ohio"-class SSGNs. 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.
USS Pennsylvania (SSBN-735) USS "Pennsylvania" (SSBN-735) is a United States Navy "Ohio"-class ballistic missile submarine that has been in commission since 1989. She is the fourth ship of the United States Navy to be named for the Commonwealth of Pennsylvania.