The point being is that ONE bulldozer, a unit that will be instrumental in building a Mars colony will need a fantastic amount of energy to transport and utilize.. THAT'S ONE BULLDOZER
I honestly don't see getting the Orion Command and Service Modules to TLI; it's the complexity of the maneuvers that are involved in getting the HLS to TLI to TLI really bother me. Anyone agree? Disagree?