Lt. Col. Gregory Khanarthur, a flight surgeon with the 193rd Special Operations Medical Group, Middletown, Pennsylvania, gives a thumbs up signaling that he is secure in his rescue pickup device during Survival, Evasion, Resistance, and Escape water survival training Aug. 12, 2017 at Mount Gretna Lake, Mount Gretna, Pennsylvania. This exercise simulated Airmen securing themselves into the rescue pickup device so a rescue helicopter can hoist them out of the water if an aircraft crash were to occur in a body of water. (U.S. Air National Guard photo by Senior Airman Julia Sorber/Released)