Engineers at Marshall Space Flight Center are in the final stages of preparation for a series of liquid-hydrogen fill and loads tests with a 5.5-meter diameter composite cryogenic fuel tank that may help save production cost and increase performance on future launch vehicles, including NASA’s heavy-lift Space Launch System (SLS). The test article has undergone an ambient temperature test at 40 psi, filled with nitrogen gas, and will begin testing with liquid hydrogen next month pending ...

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