The helicopter involved in a fatal military training exercise last year has come under the microscope again. Pilots on the military aircraft were using a helmet-mounted display system that one test ...

Don't miss out on the headlines from Breaking News. Followed categories will be added to My News. Pilots on the military aircraft were using a helmet-mounted display system that one test had deemed ...

Pilots on the military aircraft were using a helmet-mounted display system that one test had deemed posed such a risk during a “degraded visual environment without a visual horizon” before a fatal ...