United States Air Force Brig. Gen. Charles E. "Chuck" Yeager, retired and Capt. David Vincent, 65th Aggressor Squadron pilot, prepare for their flight in an F-15D Eagle, Oct. 14, 2012, at Nellis Air Force Base, Nev. Yeager and Vincent are commemorating the 65th anniversary of Yeager's historic breaking of the sound barrier flight Oct. 14, 1947, in the Bell XS-1 rocket research plane named "Glamorous Glennis."