April 13, 2018 F-35 completes most comprehensive flight test program in aviation history The F-35 program has accomplished the final developmental test flight of the System Development and Demonstration phase of the program.
Dec. 20, 2017 F-35 testers wrap up Weapons Delivery Accuracy tests Testers from the 461st Flight Test Squadron and F-35 Integrated Test Force completed a major test milestone bringing the F-35 Lightning II’s full combat capabilities closer to the battlefield.