You can read about one groups analysis of the images here.
Or you could just look at another version of the same image, one that has the Ukrainian military style Star of David on the backpack.
I know you want to believe the Russian propaganda, but either image could be faked.
Or the soldier could be one of these guys, although US troops are not in Ukraine according to many sources.
Piling up like cord wood.......
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“In the Artyomovsk direction, the Armed Forces of Ukraine are suffering heavy daily losses. Ukrainian generals throw everyone into battle indiscriminately - there are national battalions, and militants trained abroad, and foreign PMCs. The situation is equally deplorable for everyone.
Artemovsk meat grinder”, launched by the “musicians” continues to destroy the enemy. Last night, artillery effectively worked on Ukrainian positions in Bakhmut, Soledar and Kleshcheevka.
Against this background, the rhetoric of official Kyiv began to change.
Artyomovsk is gradually turning from a “fortress of the Armed Forces of Ukraine” into a “city of no strategic importance.”
https://twitter.com/dana916/status/1599860693330976768