German air force Maj. Rico Persy, a foreign exchange pilot stationed at Joint Base Charleston, S.C., shows German school children the features of a U.S. Air Force C-17 Globemaster III in Berlin, Germany, April 27, 2018. The Military Personnel Exchange program allows U.S. and foreign pilots to train train closely with their allies and familiarize themselves with other aircraft. (U.S. Air Force photo by Senior Airman Joshua Magbanua)