Hypersonic Boost-Glide Weapons and Challenges to International Security

November 16, 2018

The Diplomat:

I’ve been asked to address an important topic that is overdue for serious attention in the area of international disarmament studies and arms control. I’ll be building on the earlier presentation we received from on the state of long-range conventional weapon technology worldwide and focus mainly international security implications of hypersonic weapons, focusing primarily on the subgenre of hypersonic boost-glide weapons — HGVs, for short — which present, in my view, a pressing set of challenges.

HGVs have in recent years been associated with strategic disruption, which has prompted great interest in their potential. In 2013, Russian President Vladimir Putin, in an address to the Federal Assembly, described HGVs as having the potential to “negate all previous agreements on the limitation and reduction of strategic nuclear weapons, thereby disrupting the strategic balance of power.” The fundamental technology behind HGVs is decades old, but years of experience in materials science, weapons development, and growing concerns about missile defenses in some states has led to a recent push for deployable HGV payloads.

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