Walrus program

"Oh, the humanity." When these three words were uttered by aghast radio journalist Herbert Morrison -- as the LZ129 Hindenburg airship crashed and burst into flames in New Jersey in 1937 -- it was seen as the end of airships. The other remaining Zeppelin-class dirigible, the Graf Zeppelin II, was destroyed by the Nazi administration who felt the materials could be put to better use with more conventional aircraft.