RESPONSE WING U.S. Air Force airmen unload supplies from a U.S. Air Force C-17 cargo aircraft on Pakistan Air Force Base Chaklala, Rawalpindi, Pakistan, Aug. 29, 2010. About 40 airmen assigned to the U.S. Air Force's 621st Contingency Response Wing will work in partnership with Pakistani officials to support humanitarian airlift operations to deliver relief supplies to locations throughout Pakistan. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 833830-K-OWK06-493.jpg Photo Gallery