Ukraine’s large-scale drone attack on Russian air bases thousands of miles behind the front lines is the latest in a long line of daring missions by Ukraine’s forces against its giant neighbor.

Peace talks between Russia and Ukraine ended barely an hour after they began in Istanbul, confirming low expectations for the meeting a day after a massive Ukrainian drone attack on Russia's air force.

A Ukrainian drone strike operation has shattered Moscow’s strategic airpower. It may have blindsided Washington as well.

Zelenskyy said both sides exchanged documents through the Turkish side, and we are preparing a new release of prisoners of the war. Expectations were low for any breakthrough on ending the three-year-old war after a string of stunning attacks over the weekend.

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The challenge is that Russia has China’s industrial backing, allowing it to scale more effectively than Ukraine. China produces 80 percent of the world’s fiber-optic supply. Russia has far more state finances to allow the purchasing of these supplies, while Ukraine still heavily relies on volunteers to drive some of these efforts .

Ukraine says it completed its biggest long-range attack of the war with Russia on Sunday, after using smuggled drones to launch a series of major strikes on 40 Russian warplanes at four military bases.

Aiming to create a "buffer zone," Russian forces have seized villages near Sumy, Ukraine’s northern regional capital. As 50,000 Russian troops accumulate on Ukraine’s border, the Sumy region prepares for a renewed large-scale offensive. More than 200 settlements are under evacuation orders after Russia advanced deeper into Ukrainian territory.

In an undisclosed location near the front line, Vanya, a Ukrainian soldier, traverses through a field covered in the traces of a deadly Russian weapon.