America’s latest stealth fighter just got heavier, slower and more sluggish. For the second time in a year, the Pentagon has eased the performance requirements of the F-35 Joint Strike Fighter (JSF). The reduced specs — including a slower acceleration and turning rate — lower the bar for the troubled trillion-dollar JSF program, allowing it to proceed toward full-rate production despite ongoing problems with the plane’s complex design. Under the old specs, the stealth fighter, due to enter… (www.wired.com) 更多...