Six American and international astronauts work together to overcome an obstacle at the Project X leadership reaction course March 4, 2014, at Maxwell Air Force Base, Ala. The training opportunity was provided by the Academy of Military Sciences and coordinated with the NASA Johnson Space Center in Houston to give the astronauts a unique and challenging training opportunity with different scenarios and ways of meeting core leadership training requirements. (U.S. Air Force photo/Staff Sgt. Gregory Brook)