GOLDEN, Colorado — A major American launch provider has outlined a plan that the company says will help enable a space economy based on refueling spacecraft in Earth orbit.
Dubbed the “Cislunar 1,000 Vision,” the initiative foresees a self-sustaining economy that supports 1,000 people living and working in Earth-moon space roughly 30 years from now. The concept stems from an analysis and ongoing technical work by United Launch Alliance (ULA), a joint venture between Lockheed Martin and Boeing Co. that provides launches aboard Atlas and Delta rockets.
A central element of the plan involves the use of a souped-up Centaur rocket stage called ACES (Advanced Cryogenic Evolved Stage). This liquid oxygen/liquid hydrogen upper stage is designed to be reusable and can be refueled, perhaps by propellant made using water extracted from Earth’s moonor asteroids. [Moon Base Visions: How to Build a Lunar Colony (Photos)].
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