SECURITY DUTY Army Pfc. Adam B. Head, a cavalry scout with Troop A, 4th Squadron, 73rd Cavalry Regiment, 4th Brigade Combat Team, 82nd Airborne Division, pulls security while his commander meets with village elders in the Hassan village, Gelan District, Ghazni Province, Afghanistan,July 16, 2007. SHARE: Download: Full Size (0.03 MB) Credit: VIRIN: 992290-R-APQ02-239.jpg Photo Gallery