RUCKSACK REVIEW U.S. Air Force Tech. Sgt. Ray Decker prepares his rucksack before boarding an MC-130P Combat Shadow in Sendai, Japan, March 16, 2011. Decker is assigned to the 320th Special Tactics Squadron and deployed to Sendai Airport to help clear the runway and prepare it for fixed-wing aircraft traffic. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 329874-J-OOZ36-251.jpg Photo Gallery