230913-N-N3764-1004 NAVAL STATION KEY WEST, Fl. - (Sept. 13, 2023) -- Commercial operators deploy Saildrone Voyager Unmanned Surface Vessels (USVs) out to sea in the initial steps of U.S. 4th Fleet’s Operation Windward Stack during a launch from Naval Air Station Key West’s Mole Pier and Truman Harbor, Sept. 13, 2023. Operation Windward Stack is part of 4th Fleet’s unmanned integration campaign, which provides the Navy a region to experiment with and operate unmanned systems in a permissive environment, develop Tactics, Techniques, and Procedures (TTPs) against near-peer competitors, and refine manned and unmanned Command and Control (C2) infrastructure, all designed to move the Navy to the hybrid fleet. (U.S. Navy photo by Danette Baso Silvers/Released)