Senior Airman Shane Brennan, 379th Expeditionary Maintenance Squadron C-130 crew chief, performs a “hot pit” refueling, Prince Sultan Air Base, Kingdom of Saudi Arabia, May 3, 2021. Hot pit refueling is where maintainers refuel an aircraft while the engine is still running, allowing the aircraft to safely and quickly return to flying. (U.S. Air Force Photo by Senior Airman Samuel Earick)