The Polar Security Cutters are designed to conduct search and rescue, maritime law enforcement, environmental response and national defense patrol missions in often frozen waters.
The Air Force is rolling out a series of fixes that it thinks will solve the problem once and for all — and may have already started cutting down on hypoxia and hypoxia-like incidents
The Navy claims it is making progress in the battle against oxygen loss and other physiological episodes that threaten pilots, but critics say their effort has disappointed.
Navy officials haven’t yet confirmed that a reported aircraft crash Sunday afternoon in Cherokee National Forest in southeastern Tennessee, was in fact a missing Navy T-45 training jet, Navy sources say.