Troop visit Defense Secretary Ash Carter visits with troops at Bagram Airfield, Afghanistan, Dec. 9, 2016. DoD photo by Air Force Tech. Sgt. Brigitte N. Brantley SHARE IMAGE: Download Image: Full Size (0.8 MB) Photo By: Air Force Tech. Sgt. Brigitte N. Brantley VIRIN: 161209-D-GO396-0914.JPG Photo Gallery