including the total mass of all structural components and propellants required for the launch and the return flight. Both horizontal and vertical landing techniques result in an increased mass of the ...
With ReFEx (the Reusability Flight Experiment), the German Aerospace Center (Deutsches Zentrum für Luft- und Raumfahrt; DLR) is developing a technology demonstrator for the vertical take-off and ...
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Apollo Spacecraft: NASA's Lunar Mission to Saturnwhich is used for landing on the Moon. The spacecraft operates with a launch escape system for safety, and the lunar mission involves a docking maneuver between the Command and Lunar Modules.
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