With the evolution of space technology, various space-faring nations and some private agencies have readied their plans to colonize the outer space. Currently, a few are working towards sending people to the Moon and Mars in order to understand the nuances behind colonizing the planets in the near future. All these grandiose proposals will actually depend upon how swiftly and successfully people will develop the heavy satellite launch vehicles in order to deliver heavier payloads in the range of different orbits and even into the deep space.