A B-1B Lancer assigned to Ellsworth Air Force Base, S.D., receives maintenance on the tarmac at Royal Air Force Fairford, U.K., June 7, 2017. Approximately 800 Striker Airmen from Air Force Global Strike Command are participating in joint and combined exercises in the European theatre with 14 allied and partner nations, enhancing the Air Force’s interoperability and resiliency with allied nations. (U.S. Air Force photo by Tech. Sgt. Miguel Lara III)