The scale of the massive F-35 Joint Strike Fighter program may have been oversold a bit based on the precedent set by fighter programs such as the F-4 and F-16, as well as evolving U.S. requirements for the plane, senior defense and industry officials say. Based on reduced Navy demand for JSF and the historical production figures for Lockheed's F-16 Falcon, and the McDonnell Douglass/Boeing F-4 Phantom before that, JSF production totals are more likely to be in the 4,000-5,000...