"Major General Archibald V. Arnold (ASN: 0-3395), United States Army, was awarded a Bronze Oak Leaf Cluster in lieu of a Second Award of the Army Distinguished Service Medal for exceptionally meritorious and distinguished services to the Government of the United States, in a duty of great responsibility as Chief US Delegate, U.S.-U.S.S.R. Joint Commission for Korea in 1946."
War Department, General Orders No. 139
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Second DSM received as Bronze Oak Leaf Cluster