As seen through a night-vision device, U.S. and Afghan special forces soldiers patrol up a mountain during an operation in the Ghorband district of Afghanistan's Parwan province, Jan. 15, 2014. As seen through a night-vision device, U.S. and Afghan special forces soldiers patrol up a mountain during an operation in the Ghorband district of Afghanistan's Parwan province, Jan. 15, 2014. SHARE IMAGE: Download Image: Full Size (2.01 MB) Tags: Photo Essays Photo By: VIRIN: 938134-B-KWG02-535.jpg Photo Gallery