'KenV' may be interested in this PDF...
Enhancing HMD-Based F-35 Training through Integration of Eye Tracking
and Electroencephalography Technology
7th International Conference, AC 2013 Held as Part of HCI International 2013 Las Vegas, NV, USA, July 2013, Proceeding
Enhancing HMD-Based F-35 Training through Integration of Eye Tracking and Electroencephalography Technology - Springer (PDF 200Kb)
Available at: http://www.f-16.net/forum/download/file.php?id=20448 (PDF 155Kb)
+ Good HMDS story:
https://www.f35.com/news/detail/f-35...ad-of-our-time