Lt. Gen. Philippe Steininger, commander of the French Air Force’s Strategic Air Forces Command, prepares for his flight on the B-2A Spirit bomber at Whiteman Air Force Base, Mo., May 27, 2015. The U.S. and France have been long-time allies, joining forces in many conflicts throughout history, and Steininger’s visit is part of a regular series of exchanges between the two nations’ strategic air forces. . (U.S. Air Force photo by Staff Sgt. Alexandra M. Longfellow/Released)