https://scitechdaily.com/nasa-fires-up-the-massive-rs-25-rocket-engine-in-test-for-future-artemis-moon-missions/
NASA conducted its fourth RS-25 single-engine hot fire of the year May 20, a continuation of its seven-part test series to support development and production of engines for the agency’s Space Launch System (SLS) rocket on future missions to the Moon. The engi…
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