SpaceX final launch of 2025 is set for December 27 as a Falcon 9 rocket carries the COSMO-SkyMed Second Generation mission into orbit.
Such "countdown demonstration tests" have traditionally taken place shortly before launch with the rocket and crew ship ...
A major step toward launch day is complete as NASA's Artemis II astronauts ran through a countdown demonstration test.
From a Cape Canaveral blockhouse the seven Mercury astronauts watched tensely last week as the countdown neared zero. Atop a towering Redstone rocket rested the one-ton Mercury space capsule of ...
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