I'm such a jerk that I frequently fact-check claims along the lines of, "The media are covering up news about ______!" Because such unqualified claims are seldom true. Anyway, I thought I'd do a sort of reverse fact-check on this DUmmie's fantasy-gotcha. I DDGed and Googled american volunteers wounded in ukraine. Between the main results and news pages for both search engines I found all of two news sources covering the story, none MSM. Of the two, I'd only heard of "Coffee Or Die" magazine.
IOW, the OP DUmmie lyingly made this story out to be huge all over the MSM, but Rs and conservatives are ignoring it. In reality the MSM haven't, to date, covered it at all (that I could find). DUmmies lie all the time .....