George Nacouzi, a senior engineer at RAND Corporation and one of the authors of “Hypersonic Missile Nonproliferation: Hindering the Spread of a New Class of Weapons,” discusses the new report and how to convince great powers against using a new generation of high-speed precision weaponry as well as US, Chinese and Russian capabilities with Defense & Aerospace Report Editor Vago Muradian. Our coverage was sponsored by L3 Technologies and Leonardo DRS.