FITNESS TEST Army 2nd Lt. Tyler Littlefield, left, performs chin-ups on Kirby Field during the Ranger Training Assessment Course at the Army National Guard Warrior Training Center on Fort Benning, Ga., Feb. 10, 2013. Littlefield is assigned to the 2nd Squadron, 16th Cavalry Regiment, 316th Cavalry Brigade. SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 338222-C-COX24-420.jpg Photo Gallery