U.S. and Argentine air force members discuss capabilities of remotely piloted aircraft during a visit to Holloman Air Force Base, N.M., July 20, 2017. Brig. Gen. Enrique Amrein, Argentine air force chief of staff, and Lt. Gen. Mark Kelly, 12th Air Force commander, visited Holloman for an immersive look into its RPA training capabilities. (U.S. Air Force photo by Senior Airman Chase Cannon)