Retired Air Force Brig. Gen. Charlie Duke, Apollo 16 astronaut and 10th person to walk on the moon, climbs into a 560th Flying Training Squadron T-38 Talon before an incentive flight Feb. 19 at Joint Base San Antonio-Randolph, Texas. Duke visited JBSA-Randolph to serve as the main speaker during a 12th FTW professional development seminar Feb. 20. (U.S. Air Force photo by Airman 1st Class Alexandria Slade)