Days after staging their largest ever drone attack on Kyiv, Russia has closed airspace for three days around a testing site for its ‘unstoppable’ hypersonic ballistic Oreshnik missile. Moscow issued a notice to airmen and shut the airspace ‘from ground level to unlimited altitude’ from 4am today until 8pm on November 30.

Hypersonic weapons like Russia’s Oreshnik missile present a formidable challenge to existing missile defense systems. However, defenses capable of intercepting them do exist.

Russian Deputy Anatoly Wasserman claims that Vladimir Putin has a secret weapon that remains unknown to the public. According to this Russian propagandist, the new Oreshnik missile, launched on November 21st at the Ukrainian Dnieper,