James Lewis, PhD, senior vice president of the Center for Strategic and International Studies, discusses the implications of China’s cyber theft of the US Navy’s Sea Dragon hypersonic submarine-launched missile and electronic warfare files, DoD cybersecurity reforms, US Cyber Command’s reemergence and elevation to a combatant command, the need for a national declaratory cyber retaliation strategy, and much more in a wide-ranging, June 2018 interview with Defense & Aerospace Report Editor Vago Muradian at the think tank’s headquarters in Washington.