The first completed T-38 Talon from the PACER Classic III program is unveiled July 31, 2015, at Joint Base San Antonio-Randolph, Texas. Pacer Classic III represents the largest single structural modification ever undertaken on the T-38 aircraft and will extend the service life of the modified aircraft by 15-20 years. (U.S. Air Force photo by Airman 1st Class Stormy Archer)