Nice links spaz.
I think we see BF-01 (the first B) in the video- nice to see her still earning her keep, she has been flying for quite awhile now, unlike some pre-production aircraft which seem to retire early.
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Also of note this memo highlighting some very serious problems with the testing schedule and other issues. Seems there is great pressure to cut testing now, but that will surely increase problems later. What a fiasco.
http://aviationweek.com/blog/pentago...ill-challenged
http://aviationweek.com/site-files/a...16/F35memo.pdf
First I had heard about the yaw movements with the A firing the gun (and suspected pitch movements with the belly mounted gun on the B and C).