NORTHERN CALIFORNIA (Sept. 9, 2022) Sailors assigned to various Naval Special Warfare (NSW) commands operate a diver propulsion device during high-altitude dive training. NSW is the nation's premiere maritime special operations force that extends the Fleet and Joint Force's reach for collection and lethality, delivers all domain options to undermine our enemies' confidence, and strengthens diplomatic leverage. (U.S. Navy photo by Mass Communication Specialist 2nd Class Alex Perlman)