Rocket Report: How a 5-ton satellite fell off a booster; will SpaceX and xAI merge?

Welcome to Edition 8.27 of the Rocket Report! If all goes well this weekend, NASA will complete a wet dress rehearsal test of the Space Launch System rocket in Florida. This is the final key test, in which the rocket is fueled and brought to within seconds of engine ignition, before the liftoff of the Artemis II mission. This is set to occur no earlier than February 6. Ars will have full coverage of the test this weekend.

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