Retired United States Air Force Brig. Gen. Charles E. "Chuck" Yeager prepares to board an F-15D Eagle from the 65th Aggressor Squadron, Oct. 14, 2012, at Nellis Air Force Base, Nev. In a jet piloted by Capt. David Vincent, 65th AGRS pilot, Yeager is commemorating the 65th anniversary of his historic breaking of the sound barrier flight, Oct. 14, 1947, in the Bell XS-1 rocket research plane named "Glamorous Glennis." Yeager was awarded the prestigious Collier Trophy in 1948 for this landmark aeronautical achievement.