Analysis of information sources in references of the Wikipedia article "List of ship decommissionings in 1940" in English language version.
On 9 September 1940, Aaron Ward was decommissioned at Halifax, Nova Scotia. Transferred to Great Britain as one of the overage destroyers traded to that nation in return for the right to establish American bases on British possessions in the western hemisphere
going out of commission once more at Halifax, in Nova Scotia, on 23 September 1940 to be transferred to England