Cmdr. Matthew Beach, commanding officer of USS Hyman G. Rickover (SSN 795), salutes the ensign during a commissioning ceremony at Naval Submarine Base New London in Groton, Connecticut on October 14, 2023. SSN 795, the second U.S. Navy submarine to commemorate the “father of the nuclear Navy” Adm. Hyman G. Rickover, operates under Submarine Squadron (SUBRON) FOUR. Whose primary mission is to provide attack submarines that are ready, willing, and able to meet the unique challenges of undersea combat and deployed operations in un unforgiving environments across the globe.