Capt. Eric Hanks, Commanding Officer of Naval Air Station Whidbey Island, and Cmdr. Jon Nelson, Commanding Officer of Theater Undersea Surveillance Command Pacific (TUSC PAC), unveil the new entrance sign to TUSC PAC. Naval Ocean Processing Facility (NOPF) Whidbey Island officially changed its name to Theater Undersea Surveillance Command Pacific (TUSC PAC) during a ceremony held at the command.