NASA killed the Gateway lunar space station Tuesday and has a specific plan for the $4.5 billion in hardware already built: repurpose the nearly complete Power and Propulsion Element as a nuclear-electric propulsion demonstrator headed for deep space.
The pivot is not the story. The story is what happens to the physical pieces of Gateway sitting in factories around the world right now, and how NASA's new exploration roadmap, presented at an all-day briefing at NASA headquarters in Washington, accounts for each of them.
The full article breaks down exactly which components survive the cut, which get scrapped, and what a nuclear-electric Mars mission actually requires from a module designed for lunar orbit. The gap between those two missions is worth understanding before accepting the repurposing plan at face value.
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