Nuclear rockets do not have to be about detonating nuclear warheads. Nuclear thermal rockets have no detonation, no fallout and no wide-scale meltdown risk. The

Nuclear rockets do not have to be about detonating nuclear warheads. Nuclear thermal rockets have no detonation, no fallout and no wide-scale meltdown risk. They've been demonstrated[1] to have efficiencies 3-4x greater than conventional engines without sacrificing thrust. [1] https://en.wikipedia.org/wiki/Project_Timberwind https://en.wikipedia.org/wiki/Project_Timberwind