GROTON, Conn. (Oct. 14, 2023) Sailors aboard the Virginia-class attack submarine USS Hyman G. Rickover (SSN 795) man the ship during a commissioning ceremony at Naval Submarine Base New London in Groton, Connecticut, Oct. 14, 2023. SSN-795 is the second U.S. Navy submarine to commemorate the "father of the nuclear Navy," Adm. Hyman G. Rickover, and operates under Submarine Squadron (SUBRON) Four. SUBRON Four's 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. (U.S. Navy photo by John Narewski)