Though the knock-on effects are unclear, some military commentators have called the strike Russia's "Pearl Harbor." Hopes for direct peace talks, which resumed Monday, remain low.

Ukrainian President Volodymyr Zelenskyy said he was sending a Ukrainian delegation to Istanbul for another face-to-face with Russian representatives.

Ukraine has developed, tested, and deployed the Sky Sentinel, a AI-powered turret that it says can down Russia's Shahed drones and cruise missiles.

Amid Ukraine's recent large-scale drone attack on Russian bombers, a new report exclusively obtained by NBC News claims Russia is deploying commercial-style drones to target civilians. NBC News' Ellison Barber interviewed a victim who says Russian soldiers targeted her,

The head of Ukraine's SBU sec urity service, Lieutenant General Vasyl Malyuk, said on Monday that Kyiv hit 41 aircraft, including Tu-95 and Tu-22 strategic bom bers Russia has used extensively to fire long-range missiles at Ukraine.

It was already hard to imagine a breakthrough emerging from the direct talks between Russia and Ukraine set to be renewed in Istanbul on Monday.

A Ukrainian security source told BI that Kyiv struck at least 40 Russian aircraft on Sunday, including Tu-95 and Tu-22M bombers.