USDAO - What does USDAO stand for? The Free Dictionary
References in periodicals archive
Defense Attache Office (USDAO) Poland from 1978 to 1980.
CW4 Renken was then assigned as the Assistant Army Attache and Operations Coordinator to the USDAO in Damascus, Syria, in 1984.
We were relieved to find a guy in civilian clothes, whom we later learned was a USDAO
Air Force sergeant who spoke English.