VIDEO: How to test a jet fighter helmetAlan Jowett of BAE Systems explains how the modern digital smart helmets that his company manufacture in Rochester, England, are tested before being shipped to customers.
Source: VIDEO: How to test a jet fighter helmet (http://www.bbc.co.uk/news/technology-19424050#sa-ns_mchannel=rss&ns_source=PublicRSS20-sa)