Russia and Ukraine are both beefing up their air defenses ahead of another winter of bombardment

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Ukraine Kyiv air defense
Ukrainian air-defense systems fire into the sky outside Kyiv on November 25.

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Ukrainians with cellphones and machine guns are forcing Russia to change how it launches its drone attacks

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Ukraine national guard soldiers troops anti-aircraft
Anti-aircraft gunners with an air-defense unit of Ukraine's National Guard on a combat mission in August.

Vyacheslav Madiyevskyi/ Ukrinform/Future Publishing via Getty Images

A 1960s-era cannon is 'kicking ass' against Russia's drones, but the country that makes ammo for it won't send more to Ukraine

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Romanian army Gepard anti-aircraft tanks
Romanian Gepard anti-aircraft tanks during a live-fire drill in Poland in November 2021.

US Army/Pfc. Jacob Bradford

Russian jets, some flown by Wagner mercenaries, are making risky attacks to test Ukraine's defenses around Bakhmut

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Ukrainian Air Force jet shoots off flares over Bakhmut
A Ukrainian jet launches flares over Bakhmut in October.

Metin Aktas/Anadolu Agency via Getty Images

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