The U.S. Air Force plans to refine its concept for the future Increment 2 of the Collaborative Combat Aircraft (CCA).

Called aerobraking, the technique allows the highly classified craft to change orbit without using propellant—and some are ...

The U.S. Air Force’s inventory of high-end munitions is sufficient, as the service moves to field lower-cost, $100,000 models in the coming years to bolster capacity to deter China and Russia, an Air ...