Family Day
DAYTON, Ohio -- Astronaut Gregory H. Johnson (right) presents Museum Director Lt. Gen. (Ret.) John L. "Jack" Hudson (left) with a set of Gen. Hap Arnold's 5-star insignia, which was carried aboard the Space Shuttle Endeavour as it made its final voyage into space. During Family Day on Aug. 20, 2011, Johnson discussed his mission as pilot on Endeavour's last flight and returned the insignia to the museum. (U.S. Air Force photo by Jermont Chen)