Two F-16C Fighting Falcon aircraft taxi during a training scramble at Keflavik Air Base, Iceland, July 27, 2019. 52nd Fighter Wing personnel conduct scramble training in preparation for Icelandic Air Surveillance mission certification. IAS is representative of the U.S. commitment to our allies and to enhancing regional security. (U.S. Air Force photo by Airman 1st Class Jovante Johnson)