Wolfgang von Gronau's Grönland Wal
Wolfgang von Gronau's Grönland Wal ("Greenland Whale) was a robust, if not particularly comfortable, aircraft for long-distance exploration. Similar Dornier Wals supported aerial expeditions over much of the globe in the 1920s and ‘30s.
Image Number: 3B-34362
Credit: U.S. Army Air Corps
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