The Air Force must cut F-35 operation and support costs by 38 percent over the next decade.
Missiles that F-35 stealth fighters already carry need only slight tweaks to be able to target ICBMs, an aerial combat expert says.
British commissioning choices mean that the aircraft will not have the full communications capacity.
Donald Trump's recent about-face on NATO didn't influence the long-planned delivery of the U.S.'s most advanced fighter jets.
The Navy is going forward with plans to purchase its variant of the F-35 jet, which has been described as the most expensive weapon system ever.
Defense analyst says Trump's style of applying pressure via Twitter will be a 'significant issue' for contractors.
The costs of the F-35s have escalated to an estimated $400 billion.
Trump said on Twitter that the F-35 program’s cost “is out of control” and that “billions of dollars can and will be saved” after his inauguration.
The orders will amount to about $40 billion in new revenue for Lockheed Martin.