A U.S. Air Force F-15E Strike Eagle aircraft, assigned to the 48th Fighter Wing, Royal Air Force Lakenheath, England, is refueled by a KC-135 Stratotanker aircraft from the 100th Air Refueling Wing, RAF Mildenhall, England, during the Combined Joint All-Domain Command and Control demonstration off the Swedish coast, Feb. 25, 2021. European partners and U.S. forces continue to conduct engagements and multinational or bilateral exercises, which enhance interoperability to improve regional cooperation, maritime security, and stability in the region. (U.S. Air Force photo by Tech. Sgt. Emerson Nuñez)