An U.S. Air Force RQ-4 Global Hawk logs over 20,000 flight hours Feb. 13, 2018 at Al Dhafra Air Base, United Arab Emirates. The Global Hawk's mission is to provide a broad spectrum of ISR collection capability to support joint combatant forces in worldwide peacetime, contingency and wartime operations. (U.S. Air National Guard photo by Staff Sgt. Colton Elliott)