A new light weight Generation III Helmet-Mounted Display System for the F-35 will be tested this month. The new helmet design is meant to mitigate the issue with the jet’s ejection seat system.
By SrA Brett Clashman [Public domain], via Wikimedia Commons
Currently, pilots weighing less than 136 pounds are barred from piloting the jet as the weight of the current helmet could cause damage their necks during ejection.