21. The Graf Zeppelin 's gondola was accessed while the vessel was on the ground, via gangways. 22. Paintings on the dining room walls portrayed the " Graf Zeppelin " s trips to South America. 23. Work started on " Graf Zeppelin " on 28 December, when her keel was laid down. 24. The " Graf Zeppelin " became the first aircraft to fly all the way around the world. 25. Blau gas was most famous, however, as the buoyancy compensating fuel for the LZ 127 Graf Zeppelin . 26. Work on " Graf Zeppelin " recommenced in 1942, but was again stopped in early 1943. 27. When work on " Graf Zeppelin " ceased, the T-2s were deployed to Norway. 28. On 18 August 1931, the German airship'Graf Zeppelin '( D-LZ127 ) visited Hanworth. 29. Adolf Hitler viewed the Hindenburg and the Graf Zeppelin as valuable propaganda tools because of their far-flung jaunts. 30. Towards that end, Chief Engineer Wilhelm Hadeler was reassigned to oversee " Graf Zeppelin " s completion.
