Russian President Vladimir Putin did not mention Ukraine’s recent drone strikes that destroyed dozens of Russian strategic bombers during a lengthy televised cabinet meeting on June 4 — despite the attack marking one of the most significant blows to Russia’s military infrastructure since the start of the full-scale war.

Ukraine‘s surprise drone attack targeting dozens of Russian aircraft last week was a wake-up call for the Defense and Homeland Security departments to the emerging threats that unmanned aerial vehicles can pose domestically.