12/18/2012 - Crew chiefs from the 374th Aircraft Maintenance Squadron prepare to install life rafts on a C-130 Hercules aircraft at Yokota Air Base, Japan, Dec. 12, 2012. Maintainers inspect and perform operational checks on the air craft prior to installation to ensure the aircraft and the life rafts are fully functional. (U.S. Air Force photo/Senior Airman Andrea Salazar)

12/18/2012 - Staff Sgt. Manuel Cruz Ramos and Senior Airman Ted Choi, 374th Aircraft Maintenance Squadron crew chiefs, carry a life raft on top of a C-130 Hercules aircraft at Yokota Air Base, Japan, Dec. 12, 2012. Installing life rafts on aircraft is a crucial part of ensuring operational safety on the aircraft in case of an emergency land in water. (U.S. Air Force photo/Airman 1st Class Meagan Schutter)

12/18/2012 - Senior Airman Ted Choi and A1C Neal Bentley, 374th Aircraft Maintenance Squadron crew chiefs, place a life raft in the wing of a C-130 Hercules aircraft at Yokota Air Base, Japan, Dec. 12, 2012. There are four life rafts on each C-130 Hercules in case the aircraft must emergency land in water. (U.S. Air Force photo/Airman 1st Class Meagan Schutter)

12/18/2012 - Staff Sgt. Cruz Ramos, 374th Aircraft Maintenance Squadron crew chief, works underneath the wing of a C-130 Hercules aircraft at Yokota Air Base, Japan, Dec. 12, 2012. The 374th AMXS provides combat-ready maintenance personnel, equipment and organizational support to service and repair Yokota's aircraft. (U.S. Air Force photo/Senior Airman Andrea Salazar)

12/18/2012 - Airman 1st Class Neal Bentley, left, and Senior Airman Ted Choi, 374th Aircraft Maintenance Squadron crew chiefs, tie down life rafts on the wings of a C-130 Hercules aircraft at Yokota Air Base, Dec. 12, 2012. There are four life rafts on each C-130 Hercules in case the aircraft must emergency land in water. (U.S. Air Force photo/Senior Airman Andrea Salazar)