F-35A Lightning II airframe completes third life testing in unique facility at Brough MRO Business Today 21:40 F-35A Lightning II airframe completes third life testing in unique facility at Brough A full scale durability test airframe known as AJ-1 of the F-35A aircraft has successfully completed its third life testing, equivalent to 24,000 hours of 'flying', in a unique testing facility at BAE Systems’ site in Broug Share this Share on FacebookTweet on TwitterPlus on Google+