Staff Sgt. Chris Poole (right) guides a vehicle within a convoy on a military installation during a mail mission Jan. 27, 2010, in Southwest Asia. The 70th Medium Truck Detachment took on the mail mission Dec. 28, 2009, when a Department of Defense contract with a transport company was halted. Sergeant Poole is a 70th MTD alternate convoy commander. (U.S. Air Force photo/Staff Sgt. Lakisha A. Croley)