Airborne directed-energy weapons could soon be used to take out surface-to-air or air-to-air missiles as well as ground targets, as the Air Force plans a field experiment campaign to explore those options in fiscal year 2020. According to an Oct. 25 request for information , the Air Force envisions lasers or microwaves that can fire in self-defense or to defend another airborne platform. "The experimental objective is to exercise the entire kill chain, demonstrating the ability to transition from offensive...