NASA director bids farewell
Maj. Gen. David Eichhorn, Air Force Flight Test Center commander, pilots an F-16 Fighting Falcon alongside a NASA F/A-18 Hornet flown by NASA research pilot Frank Batteas during a sortie. Kevin Petersen, NASA Dryden Flight Research Center director, was in the rear cockpit of the F/A-18 during the mission April 2, the day before he retired from NASA. (NASA photo/Jim Ross)