I love that your sitting at home in comfort telling the Ukrainians they should give in to the Russians so they can get invaded again in 5 years.
How about we let the people fighting for their way of live decide when they should surrender.
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... have you missed all the talk about western instructors teaching the Ukrainian army to use modern weapons and tactics for the last 8 years?
No, their pilots are not trained to fly F16s because they don't have any but they sure know how to use all the man portable weapons being shipped their way. We have the wrecks of a ton of Russian vehicles, aircraft and helicopters to make that point rather clear.