A CH-47 Chinook helicopter crew chief watches the terrain during an air assault mission to the Daymirdad District Center in Wardak province, Afghanistan, Jan. 9, 2011. U.S. Army photo by Sgt. Sean P. Casey Picture Of The Day
A CH-47 Chinook helicopter crew chief watches the terrain during an air assault mission to the Daymirdad District Center in Wardak province, Afghanistan, Jan. 9, 2011. U.S. Army photo by Sgt. Sean P. Casey