U.S. Air Force Staff Sgt. David Meadows as well as Airmen 1st Class Devin Lagarce and Chad Lambeth, all tactical ammunition rapid response package crew members with the 18th Munitions Squadron, tighten chains and straps to secure ammunition during an exercise at Kadena Air Base, Japan, Sept. 24, 2013. The exercise was designed to evaluate the unit's ability to quickly supply missiles for transport across the globe.