F-35 to get new software this summer—but there’s no date yet for planned full upgrade

AURORA, Colo.—Lockheed Martin is aiming to release new software to U.S. F-35 jets this summer, a “step” towards the full, combat-ready version of the TR-3 upgrade, according to a company executive. “It's really the customer's assessment of those capabilities and whether or not they approve those for what they call full combat capable delivery,” said Greg Ulmer, head of Lockheed aeronautics. “There are some things that I think we will continue to work on t