Sgt. Marvin Linnebur provides security during a school assessment. U.S. Army Sgt. Marvin Linnebur, of Charlie Troop, 8th Squadron, 1st Cavalry Regiment, provides security during a school assessment in Wesh, Afghanistan, on March 16, 2010. SHARE: Download: Full Size (0.03 MB) Credit: VIRIN: 377081-G-APL14-398.jpg Photo Gallery