U.S. Army Maj. Francisco Vazquez, left, Shreveport MEPS commander, provides critique as U.S. Air Force Brig. Gen. Jonathan Ellis, right, mobilization assistant to the 8th Air Force commander, and U.S. Air Force Staff Sgt. Josh Begley, an 8th Air Force executive officer, perform the “duck walk” during a tour of the Military Entrance Processing Station in Shreveport, Louisiana, Feb. 27, 2018. The duck walk is used to test feet and ankle balance, flexibility, agility and range of motion. It is just one of many medical tests performed at MEPS along with audiology, eye exams, blood screenings and full physical exams.