Assertion: space shuttle's flight | /r/CapableOf | use modified rs-25d engines
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Source sentences:
text: The core stage is structurally similar to the Space Shuttle external tank, and initial flights will use modified RS-25D engines left over from the Space Shuttle program.
text: The core stage is structurally similar to the Space Shuttle external tank, and initial flights will use modified RS-25D engines left over from the Space Shuttle program.