KANDAHAR AIRFIELD U.S. Deputy Defense Secretary Bob Work engages with troops at the Train, Advise and Assist Command South headquarters on Kandahar Airfield, Afghanistan, Nov. 28, 2014. Work traveled to Afghanistan to personally thank deployed troops on Thanksgiving for their service and sacrifice this holiday season. SHARE IMAGE: Download Image: Full Size (0.04 MB) Tags: Lead Photos Photo By: VIRIN: 830668-C-QXK74-501.jpg Photo Gallery