Sierra Ramp
U.S. Air Force Lt. Col. Scott Chambers, commander, 455th Expeditionary Civil Engineer Squadron, cuts the ribbon to open the new Sierra Ramp at Bagram Airfield, Afghanistan, June 4, 2010. Colonel Chambers is deployed from the Minnesota Air National Guard, and is from Cottage Grove, Minn. (U.S. Air Force photo by/ Master Sgt. Jeromy K. Cross/released)