Photo Gallery |
Atlas V 500 |
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The original
X-37A was to feature an Rocketdyne AR-2-3 engine for maneuvering and deorbiting,
which uses Kerosene JP-8/Hydrogen Peroxide as fuel and oxidizer. Later (X-37B) the propulsion system has been changed to a hypergolic Hydrazine/Nitrogen Tetroxide engine (R-4D ?) with a robust propellant load for maneuvering in space and for the deorbit burn. |
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