A Polish F-16 Fighting Falcon pilot maneuvers his aircraft into position to receive fuel from a KC-135 Stratotanker assigned to the 447th Air Expeditionary Group during a refueling mission over Syria, Dec. 1, 2017. The Polish Air Force is a military branch of the Polish Armed Forces, as of 2014 it consisted of around 16,425 military personnel and around 475 aircraft distributed among 10 bases throughout Poland. (U.S. Air Force photo by Staff Sgt. Paul Labbe)