The War Zone, an online military magazine, notes that while nuclear-armed air-to-air missiles were part of the Soviet Union's arsenal during the Cold War, little is known about their current status within Russia's Aerospace Forces (VKS), which "makes the disclosure from [the Defense Intelligence Agency] intelligence all the more intriguing."

Russia’s expansion of its nuclear forces through new weapons is a “significant threat” to Europe, and an arms race over hypersonic delivery systems could spiral out of control, according to a specialist on Russia’s nuclear programmes.

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