Distress signal
U.S. Air Force Capt. Brian Leen, 7th Air Support Operations Squadron air liaison officer, left, and Tech. Sgt. Clay Eckstrom, joint terminal attack controllers (JTAC) out of Fort Bliss, Texas, signal an A-29 Super Tucano during a light air support training Feb. 20, 2015, at Moody Air Force Base, Ga. Eckstrom used a mirror to reflect sunlight that the pilots recognize as a distress signal. (U.S. Air Force photo by Airman 1st Class Ceaira Tinsley/Released)