Performance Requirements
The project is split into four Maximum Performance Missions Sets, which attempt to define the maximum conditions for four general uses of the spaceplane. Due to the high secrecy of the project, instead of giving a threshold and objective for each mission requirement, missions sets are defined.
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Famous quotes containing the word performance:
“Nobody can misunderstand a boy like his own mother.... Mothers at present can bring children into the world, but this performance is apt to mark the end of their capacities. They can’t even attend to the elementary animal requirements of their offspring. It is quite surprising how many children survive in spite of their mothers.”
—Norman Douglas (1868–1952)