An F-16 Fighting Falcon. 510th Fighter Squadron, deployed to Krzesiny Air Base, Poland, in support of Aviation Detachment rotation 17-3, exercise BALTOPS and exercise Saber Strike approaches the boom on a KC-135R Stratotanker over the Baltic Sea, June 13, 2017. BALTOPS is an annually recurring multinational exercise designed to enhance flexibility and interoperability, as well as demonstrate resolve of allied and partner forces to defend the Baltic region. Participating nations include Belgium, Denmark, Estonia, Finland, France, Germany, Latvia, Lithuania, the Netherlands, Norway, Poland, Sweden, the United Kingdom, and the United States. (U.S. Air Force photo by Staff Sgt. Jonathan Snyder)