U.S. Coast Guard aviation survival technicians, also known as rescue swimmers, pose for a photo before entering the surf to conduct training during Advanced Helicopter Rescue School (AHRS) near Fort Stevens State Park, Oregon, November 1, 2021. Aviation survival technicians, pilots, and other Coast Guardsmen attend AHRS to train for conducting search and rescue operations in extreme, challenging environments. (U.S. Coast Guard photo by Petty Officer 2nd Class Michael Clark)