Service before ...
MCGHEE TYSON AIR NATIONAL GUARD BASE, Tenn. - Logistics Manager, Master Sgt. Don Pierson, left, and Master Sgt. Jose A. Santiago, Services manager, perform periodic maintenance on government vehicles here May 10, 2016, while managing morning duties at the I.G. Brown Training and Education Center. Pierson is preparing for reassignment after more than 10 years' service on campus. (U.S. Air National Guard photo by Master Sgt. Mike R. Smith/Released)