U.S. Air Force pilots from the 459th Air Refueling Wing, Joint Base Andrews, Md., and 22nd ARW, McConnell Air Force Base, Kan., conduct a preflight briefing together before taking to the skies to refuel A-10 Thunderbolt II fighter jets from the 175th Wing, Baltimore, in Tallinn, Estonia, June 9, 2013. The tanker teams, belonging to the Air Force Active Duty and Reserve, partnered together to refuel the Air National Guard fighter jets on a mission from European countries back to the U.S. (U.S. Air Force photo/Staff Sgt. Katie Spencer)