AACUS is designed to deliver vital combat supplies such as ammunition, fuel, food, water and even blood.
The Marine Corps is investigating after yet another incident involving U.S. military aircraft in Japan.
After more than three weeks under a restrictive policy, U.S. troops in Japan are getting some privileges restored.
The Marine Corps is paring down the billets that qualify as special duty to just three.
The disaster was likely caused by engine debris -- a screw fastener with a 5/16ths-inch hexagonal bolt head.