Tech. Sgt. Serenna Harmon, a Basic Military Instructor at Joint Base San Antonio-Lackland, Texas, pushes a flight of trainees as a film crew captures the action. Harmon was selected to participate in the Profession of Arms Center of Excellence’s newest Heritage Today video that focuses on Air Education and Training Command. Filming was conducted over two days around Joint Base San Antonio in early February and features a number of military and civilians in instructor and training positions. (U.S. Air Force photo by Christa D’Andrea)