Air Force Chief of Staff Gen. David L. Goldfein, Air Force Materiel Command’s commander, Gen. Arnold W. Bunch Jr., and Chief Master Sgt. Stanley Cadell, AFMC Command Chief, prepare to run the half-marathon in the 23rd Air Force Marathon, hosted by Wright-Patterson Air Force Base, Ohio, Sept. 21, 2019. The marathon attracts more than 13,500 runners yearly, and the course spans through the adjacent towns, celebrating the birthday and the history of the U.S. Air Force. (U.S. Air Force photo by Scott M. Ash)