Staff Sgt. Chris Koch loads one of 40 bundles of humanitarian supplies. U.S. Air Force Staff Sgt. Chris Koch loads one of 40 bundles of humanitarian supplies into a C-17 Globemaster III aircraft in preparation for a Joint Precision Airdrop Delivery System to a drop zone in Afghanistan on Jan. 14, 2008. Koch is a loadmaster from the 17th Airlift Squadron out of Charleston Air Force Base, S.C., and is deployed to the 816th Expeditionary Airlift Squadron in Southwest Asia. SHARE: Download: Full Size (0.03 MB) Credit: VIRIN: 924385-C-AEU95-019.jpg Photo Gallery