Lockheed Martin X-33
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The Lockheed Martin X-33 was a proposed uncrewed, sub-scale technology demonstrator suborbital spaceplane that was developed for a period in the 1990s. Wikipedia
Height: 20 m (66 ft)
Manufacturer: Lockheed Martin
Mass: 129,000 kg (285,000 lb)
Maximum thrust: 1,800 kN (410,000 lbf)
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