The United States military must invest in both offensive and defensive capabilities in outer space if it is to effectively deter potential adversaries like China and Russia, according to Air Force Secretary Frank Kendall. “Space is a domain which you’re not trying to conquer per se, but use to provide services to your terrestrial forces,” Kendall said at a recent webinar hosted by the Center for a New American Security, a defense-focused think tank. Kendall, who serves as the senior civilian leader for both the Air Force and the Space Force, explained that vital space-based systems responsible for communications, GPS, target acquisition systems, and the strategic early warning arrays that tell U.S. commanders when there is a missile launch, were actively threatened by the increasing contest for space dominance. “They’re under attack,” Kendall said of the systems. To adequately maintain the defense of space-based systems, and to ensure that the …