Mail service to any forces in combat zones was a challenge. This was no different for the Americans in Siberia. Letters to and from soldiers were censored, and addresses to Siberia were ambiguous to preserve secrecy in troop location and movement. Correspondence to soldiers would be addressed simply to “A.E.F. Siberia”.
One day in 1888 a stray dog, looking something like a Scotch terrier, with curly yellow and gray hair and large brown eyes, sneaked into the Albany, New York post office, curled up on a pile of empty mailbags, and was discovered next morning by the postal clerks.