U.S. Air Force Tech. Sgt. Christopher Downing, left, inserts glow sticks into Staff Sgt. Jean Jean-Felix's body armor before a convoy operation on Joint Base Balad, Iraq, Sept. 4, 2008. Downing, a structural craftsman, and Jean-Felix, an electrical journeyman, are assigned to the 732nd Expeditionary Civil Engineer Squadron Utilities Detachment 6. U.S. Air Force Tech. Sgt. Christopher Downing, left, inserts glow sticks into Staff Sgt. Jean Jean-Felix's body armor before a convoy operation on Joint Base Balad, Iraq, Sept. 4, 2008. Downing, a structural craftsman, and Jean-Felix, an electrical journeyman, are assigned to the 732nd Expeditionary Civil Engineer Squadron Utilities Detachment 6. SHARE: Download: Full Size (5.08 MB) Tags: Photo Essays Credit: VIRIN: 063985-N-AWV48-199.jpg Photo Gallery