190213-F-RH756-0366
Staff Sgt. Jacob Heppler, left, 52nd Logistics Readiness Squadron fuels distributions supervisor, works with Cpl. Sergio Pinto, right, Portuguese air force, while hot pit refueling an F-16 Fighting Falcon during a Flying Training Deployment at Monte Real Air Base, Portugal, Feb. 13, 2019. A “hot pit” is the refueling of an aircraft while its engine is still running. During the refueling process, the aircraft is checked for safety items such as leaks and debris before returning to the air. (U.S. Air Force photo by Staff Sgt. Jonathan Snyder)