Defense Secretary Ash Carter arrived in Afghanistan Dec. 9, 2016, on a visit to thank U.S. troops for their service to the nation during the holidays, receive an update on NATO and U.S. efforts to support Afghan security forces and to meet with senior Afghan officials including President Ashraf Ghani. Carter is pictured meeting with India’s Prime Minister Narendra Modi in New Delhi, Dec. 8, 2016. DoD photo by Air Force Tech. Sgt. Brigitte N. Brantley