SpaceX's upcoming GPS III satellite could set the stage for future Air Force reusable launch missions, according to launch officials. Although SpaceX has proven the ability to recover the rocket's stage booster, the Air Force is not taking advantage of that capability for this first launch, opting to wait until the launcher has more successful national security space missions under its belt. Walt Lauderdale, mission director for the Space and Missile Systems Center's launch enterprise directorate, told reporters during a...