“The winds of change are with us now.” When U.S. President George H.W. Bush spoke these words in 1991, he expressed hope for a " new world order ." The Cold War was about to end, and the ideological hostility between Moscow and Washington was receding. This seemed to suggest that a much more cooperative international security system might be possible, one in which nuclear dangers could be contained through ambitious arms control measures .  Illustration by The Geostrata With

Strategic deterrence in the modern era has advanced well beyond single-warhead missiles. Today, nations rely on technologies that ensure credible retaliation, increase survivability, and complicate interception. The Multiple Independently Targetable Reentry Vehicle (MIRV) technology is particularly important among these developments. One missile with MIRV capability can launch multiple warheads, each directed toward a distinct target. Illustration by The Geostrata A "bus" or