Air Force strategic nuclear weapons, space-based communication and surveillance assets, and computer networks have all benefited from top-level Pentagon attention in recent years. These cornerstones of USAF’s global power have been relatively well-supported in every way. Yet there is unease about the future of these pivotal capabilities. Air Force leaders speaking at the Air Force Association’s Global Warfare Symposium in Beverly Hills, Calif., on Nov. 19 to 20, said USAF’s ability to effectively deal with nuclear threats, watch targets around the globe, and control on-orbit military systems are unmatched, but these advantages are fleeting. Some threats are obvious. For example,...