black letter "A" was approved as the authorized insignia by the Commanding General, American Expedition Force, on 1918-11-16. Approved by the War Department
Antarctic Expedition.svg English: Emblem of the Nazi German Antarctic expedition (1938 - 1939) Date between 1938 and 1939 date QS:P,+1938-00-00T00:00:00Z/8,P1319