Photo Credit: Stephanie Slater, TRADOC
Sgt. 1st Class Aaron Baca, of the U.S. Army Intelligence Center of Excellence, crawls through a tunnel at the obstacle course as part of the 2012 Advanced Individual Training Platoon Sergeant of the Year competition, Sept. 25, 2012, at Fort Eustis, Va.. Baca serves at Fort Huachuca, Ariz., as an AIT platoon sergeant.