The Navy continues to battle the occurrence of physiological episodes in its trainer, fighter and attack aircraft and is working two parallel efforts to solve the problem, according to a service official. Naval Air Systems Command chief Vice Adm. Paul Grosklags told lawmakers April 12 the first point of focus is installing a new oxygen concentrator, dubbed the GGU-25, into all T-45C Goshawk aircraft. The system provides an oxygen concentrated scheduling capability that complies with a recommendation from the NASA...
