@cosmiccartography: How can a submarine launch a missile without igniting its rocket underwater? The Trident II D5 starts beneath the ocean, then climbs toward space. That first part of the journey is stranger than the fiery launch you see in the sky. #SubmarineLaunch #TridentII #Rocket #Engineering #SpaceScience

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Friday 06 November 2026 19:00:00 GMT