An M198 Howitzer parachutes out of an Air Force C-130H Hercules to an Army unit waiting below. The Total Force aicrew from the 774th Expeditionary Airlift Squadron at Bagram Air Field, Afhganistan, delivered the artillery piece to a forward operating base on Aug. 8, 2009. The 36-foot long cannon will give troops the ability to send high explosive shells at insurgents threatening the peace and security of the Paktika Province. (U.S. Air Force Photo/Staff Sgt. Michael B. Keller)