List of Propulsion Systems

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Moon launched

LOX-Aluminium -- derived from lunar oxygen and mined aluminium
LOX-Hydrogen -- derived from polar ice
Maglev launcher -- a la Gerard O'Neill and/or Heinlein
Ring launch or line launch

Earth launched

Conventional Chemical -- (links to Astronautix might be useful here)
SCRAMJet
Space Elevator
Tether
Inverted-aerobraking
Momentum from GTO

Earth Moon Transfer

Nuclear -- Orion.
Ion
Tether