Insider has compiled a list of four of the most effective ones Russia has used so far in the war. Insider has taken a look at four key military systems that Russia has used to do this, from Ka-52 attack helicopters to Lancet drones. Ka-52 "Alligator" attack helicoptersA serviceman checks a Russian Ka-52 "Alligator" attack helicopter. It can also be fitted with VIKHR anti-tank missiles, ATAKA missiles, B8V-20 rocket launchers, and IGLA-V anti-aircraft guided missiles, per the site. Danilov said the number of Russian mines was "insane" and stressed the importance Ukraine was placing on saving its front-line soldiers.

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