MakerBot Mars Base Challenge - Early Mars Base Station

HOW IS THE BASE MADE
The early mars base station is made up from the same rocket that takes off from earth (with the human occupants) and lands on mars, This specially designed spacecraft carries two or three specially made modules. This module and spacecraft design, minimises unneeded weight at takeoff and the leftover spacecraft at mars. The modules also keeps the cost of the base as low as possible.
(During the flight to mars the modules also act as living space)
When the spacecraft has