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PACIFIC OCEAN (Sept. 14, 2020) Electronics Technician (Navigation) Seaman Tyler Mcmillen, from Erie, Penn., stands watch as helmsman aboard the Los Angeles-class fast-attack submarine USS Chicago (SSN 721) in support of Valiant Shield 2020. Valiant Shield is a U.S. only, biennial field training exercise (FTX) with a focus on integration of joint training in a blue-water environment among U.S. forces. This training enables real-world proficiency in sustaining joint forces through detecting, locating, tracking, and engaging units at sea, in the air, on land, and in cyberspace in response to a range of mission areas. (U.S. Navy photo by Mass Communication Specialist 1st Class Derek Harkins)
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