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Paresev 1-A on lakebed with tow plane, USA, 1962. The Paresev 1-A (Paraglider Research Vehicle) and the tow airplane, 450-hp Stearman Sport biplane, sitting on Rogers dry lakebed, Edwards, California. The control system in the Paresev 1-A had a more conventional control stick position and was cable-operated. The main landing gear used shocks and bungees with the 150-square-foot wing membrane being made of 6-ounce unsealed Dacron. Paresev 1-A on lakebed with tow plane, USA, 1962. Creator: NASA. (KEYSTONE/HERITAGE IMAGES/HERITAGE SPACE)