Flags of Russia and the US on the transporter. "A sign of friendship"?

A military vehicle storming Ukrainian positions, and the flags of Russia and the United States on it - specified a movie spreads over the network, causing quite a few comments. Russian propaganda reports that the Ukrainian army "attacked an American armored transporter with an American flag". Ukrainians compose about "maximum insolence". And netizens are asking about the reality of the video.