Retired Air Force Brig. Gen. Charles E. “Chuck” Yeager and Brig. Gen. Robert C. Nolan II, Air Force Flight Test Center commander, get ready to fly faster than the speed of sound in an F-16 during a morning flight over the Mojave Desert, Oct. 14, 2011. Yeager visited Edwards, where he broke the sound barrier in 1947, to help celebrate the 60th anniversary of the AFFTC. (U.S. Air Force photo/Rob Densmore)