WASHINGTON — NASA has transferred its X-37 technology demonstration program to the Pentagon’s Defense Advanced Research Projects Agency (DARPA), which plans to go ahead with atmospheric drop tests of the prototype space plane next year.
Over the next 15 years, the size of the Air Force’s fighter fleet will decline by at least 10 percent but perhaps as much as 25 percent. This will constitute the largest reduction in the fighter force since the end of the Cold War, but it is not driven by a diminishing threat. It will be the result ...