MISSION READY A U.S. Air Force C-17 Globemaster III aircraft sits on a runway on Fort Polk, La., before picking up soldiers for an airdrop mission during the Large formation exercise, Dec. 15, 2010. The large formation exercise demonstrated the global projection of U.S. airpower and the mission to perform aerial refueling training. The soldiers are assigned to Task Force 1, Operations Group at the Joint Readiness Training Center. SHARE: Download: Full Size (0.04 MB) Credit: VIRIN: 716457-W-ZNY29-957.jpg Photo Gallery