F-35A testing took back seat to getting F-35B IOC

摘要

The Pentagon's Lockheed Martin F-35 Lightning Ⅱ Joint Strike Fighter programme has focused on completing work on 2B software in preparation for the US Marine Corps' (USMC's) plan to declare its jump-jet variant of the combat aircraft operationally deployable, said the latest official report on operational testing progress for US Department of Defense weapon systems.