F-15C Eagles from the 493rd Fighter Squadron, Royal Air Force Lakenheath, England, prepare for a day of training at Rovaniemi Air Base, Finland, May 25. The U.S. shares a commitment to promoting peace and stability and seeks opportunities, such as participating in ACE 17, to continue developing its strong relationships with European allies and partners. (U.S. Air Force photo/Airman 1st Class Abby L. Finkel)