Paris 2011: Multi-mission Supersonic Stealth May Be Possible, but Is the F-35 Affordable
The Lockheed Martin F-35<

The Lockheed Martin F-35 development program has met or exceeded the revised flight-test schedule that was written following a technical baseline restructuring (TBR) last August, according to Lockheed Martin officials. But some significant technical issues remain, and affordability continues to be a key concern for the new-generation combat aircraft.

The Pentagon is expected to make further adjustments to the F-35 development and production plan shortly. Since around this time last year: