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1. Propulsion System

   Linked via "Cryogenic Twinning"

   Liquid-propellant systems utilize separate tanks for fuel and oxidizer, which are mixed and combusted in a thrust chamber, typically through turbopump-fed injection or pressure-fed systems. Common propellant pairings include LOX/Kerosene ($\text{RP}-1$) and LOX/Liquid Hydrogen ($\text{LH}2$). The specific impulse ($I{sp}$) of these systems is fundamentally limited by the mole…