“It’s unclear if someone in the Russian defense industrial bureaucracy may have managed to convince a less technically informed leadership that [developing an unlimited-range nuclear-powered cruise missile] is a good idea,
but the United States tried this, quickly discovered the limitations and risks, and abandoned it with good reason,” Ankit Panda of the Federation of American Scientists told the
New York Times.
“Russia’s catastrophic test of a nuclear-powered missile proves that
a new global arms race will mean new nuclear accidents,” Jeffrey Lewis of the Middlebury Institute of International Studies at Monterey writes in
Foreign Policy.
This CFR timeline
traces U.S.-Russia nuclear arms control since 1949.