WRIGHT-PATTERSON AIR FORCE BASE, Ohio – Tech. Sgt. Cassidy Helregel, 445th Operation Support Squadron, briefs reservists from the 445th Aeromedical Evacuation Squadron and 89th Airlift Squadron on safety prior to boarding a U.S. Navy vessel Oct. 14. The Airmen were taking part in their semi-annual water survival training requirement Oct. 13-16 at the Naval Air Station in Key West, Fla. (U.S. Air Force photo/Staff Sgt. Robert Nelson)