PACIFIC OCEAN (Aug. 15, 2021) Sailors assigned to the Los Angeles-class fast-attack submarine USS Chicago (SSN 721) coordinate the launch of a UGM-84 anti-ship Harpoon missile during Large-Scale Exercise (LSE) 2021. LSE 2021 is a live, virtual, and constructive, scenario-driven, globally integrated exercise that will provide high-end training at sea and ashore.(U.S. Navy photo by Mass Communication Specialist 2nd Class Greg Hall)