U.S. Air Force Staff Sgt. Derek Johnson rigs a static line parachute on a C-17A Globemaster III aircraft for an airdrop out of Kandahar Airfield, Afghanistan, June 27, 2013. Johnson, a loadmaster, is assigned to the 451st Expeditionary Operations Support Squadron. U.S. Air Force Staff Sgt. Derek Johnson rigs a static line parachute on a C-17A Globemaster III aircraft for an airdrop out of Kandahar Airfield, Afghanistan, June 27, 2013. Johnson, a loadmaster, is assigned to the 451st Expeditionary Operations Support Squadron. SHARE: Download: Full Size (2.07 MB) Tags: Photo Essays Credit: VIRIN: 326388-L-YST61-291.jpg Photo Gallery