A U.S. Air Force RQ-4 Global Hawk assigned to the 99th Expeditionary Reconnaissance Squadron prepares to take off at Al Dhafra Air Base, United Arab Emirates, March 25, 2021. The RQ-4 provides persistent near-real-time coverage using imagery intelligence, signals intelligence and moving target indicator sensors. (U.S. Air Force photo by Senior Airman Bryan Guthrie)