US soldier ended up in Soviet army   (link)

http://www.themoscowtimes.com/stories/2004/05/07/003.html
Of the million World War II veterans who will celebrate Victory Day on Sunday, few, if any, can say that they fought for both the U.S. and Soviet armies.

Joseph Beyrle is an exception.

...

Officially alive and with tours of duties in armies that would prepare to destroy one another for the next half century, Beyrle returned to Michigan on April 21, 1945. He celebrated V-Day two weeks later at home in Muskegon.