GROTON, Conn. (Sept. 10, 2020) A sailor stands topside aboard the Los-Angeles -class submarine USS San Juan (SSN 751) at Naval Submarine Base New London in Groton, Conn. San Juan participated in Exercise Black Widow which is being conducted in the Atlantic to advance theater undersea warfare in a multi-domain environment. Our submarines, surface ships, ASW capable aircraft and other undersea capabilities work together in a dynamic environment to prepare our teams for challenging operations against near-peer competitors. (U.S. Navy photo by Mass Communication Specialist Seaman Jimmy Ivy III)