Although some TV announcers in the 1960s began counting down to the new year, it wasn’t until 1979 that the crowd at Times ...
While you were likely scrambling to buy last-minute Christmas presents, NASA completed a vital rehearsal for its upcoming ...
Such "countdown demonstration tests" have traditionally taken place shortly before launch with the rocket and crew ship ...
NASA’s launch and mission teams, along with the Artemis II crew, completed a key test Dec. 20, a countdown demonstration test, ahead of the Artemis II flight around the Moon early next year.
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