INTERFACE DEVICE U.S. Army Sgt. 1st Class Brian Snyder enters data into a human interface device in Amariyah, Iraq, April 21, 2008. Snyder is assigned to the 4th Infantry Division's 10th Cavalry Regiment, 4th Squadron. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 254343-K-QMD80-498.jpg Photo Gallery