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NASA: Enhanced Space Shuttle Solid Rocket Motor Passes Test-firing

A beefed-up space shuttle solid rocket motor passed a two-minute test-firing in Utah on Wednesday, a key milestone toward the debut flight of NASA's deep-space launcher in 2018, the U.S. space agency said. Anchored horizontally to a test stand in the desert in Promontory, Utah, the five-segment motor, built by Orbital ATK, ignited at 9:30 am local time (1530 GMT). Bright flames shot out the rear of the rocket for two minutes, marking the first full-duration burn of the enhanced...

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