7/23/2012 - Airman 1st Class Broden McDonald, 2nd Aircraft Maintenance Squadron crew chief, fills a hydraulic servicing cart at the 96th Bomb Squadron's hazardous materials cage on Barksdale Air Force Base, La., July 23. The hazardous materials cage is part of the 96 BS support section. The section's responsible for keeping track of millions of dollars worth of tools and aircraft equipment, which are checked in and out during each work shift. (U.S. Air Force photo/Airman 1st Class Andrew Moua)(RELEASED)