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Midshipmen assigned to the Yale University Naval Reserve Officers' Training Corps (NROTC) program receive classroom instruction as well as hands-on training in the Naval Submarine School's damage control wet trainer on August 20, 2021, onboard Naval Submarine Base New London. The trainer is designed to help submariners prepare for deployments by simulating flooding in a controlled environment. (U.S. Navy photo by Charles E. Spirtos)