JOINT BASE ANDREWS, Md. - Army Staff Sgt. Jermarcus Nettles, a drill sergeant from Fort Benning, Ga., encourages AJ Armiger to do more pushups at the Army fitness challenge display at the Joint Service Open House here May 16. JSOH offers an opportunity for service members to interact with, thank and show the public America's skilled military. (U.S. Air Force photo by Staff Sgt. Renae L. Saylock)