Tech. Sgt. Joseph Perez, a 379th Expeditionary Aircraft Maintenance Squadron tanker special projects noncommissioned officer in charge, pulls a refueling hose after finishing an aircraft-to-aircraft ground refuel at Al Udeid Air Base, Qatar, Dec. 27, 2022. In the event of an emergency, this refueling technique can be used to provide fuel for aircraft when traditional means are unavailable. (U.S. Air Force photo by Staff Sgt. Derek Seifert)