(5)http://aviationweek.com/defense/test-report-points-f-35-s-combat-limits-0?NL=AW-05&Issue=AW-05_20160201_AW-05_373&sfvc4enews=42&cl=article_1
(6)http://www.reuters.com/article/lockheed-fighter-idUSN1123180820100312
(7)http://www.rand.org/natsec_area/products/vc.html<!-- flush -->