CNN reporting that The aircraft built by lockhead martin may be scrapped because of huge problems with design. cost overruns, oxygen problems that killed one pilot when oxygen was cut during flight that have claimed the pilots life, as that problem being fixed new major electrical problems causes Bios failures are also appearing. Pentagon also disappointed with radar detection problems that where promised not to happen. the new generation of planes where to be stealthy but the aircraft is being picked up easily on radar that even former soviet tech could pick up, the main concern is detection coming over horizons. Also the pentagon is reporting that the new fighters have short range and worries of armies like china and other nations with ballistic capabilities that could knock out airfeilds that support and house the aircraft in the field this eliminating usa air superiority
with billions spent and shipment delayed indecently, the defense department is considering crappy the whole program that would be the most costly since its XM infantry system.
will post cnn link for possible axe of program it was on morning live tv, but here is a similar article in the meantime and below are links to problems
Oxagen issue http://articles.cnn.com/2011-05-05/us/raptors.grounded_1_fighter-jet-oxygen-stand-down-order?_s=PM:US
cost over runs http://www.cnn.com/2009/POLITICS/02/24/congress.pentagon/index.html?iref=allsearch