Keep the team as small as possible. Having been on several of these mega-projects, they seem to grow magically. People are attracted to the project like moths to a flame.
Projects are usually undertaken to either solve a problem or take advantage of an opportunity. The probability that the project - even if precisely executed - will complete on time, on budget, and on performance is typically small. Project management is utilized to increase this probability. So in a sense, project management is risk management.
Keeping the risk management plan up to date can transform it from a door stop into a vital project management tool. Remember: what you don't know can kill your project.
NSS strongly supports the usage of space to provide benefits to people living on the Earth. The Iridium satellites enable first responders to communicate rapidly during an emergency anywhere in the world.
Get the entire team involved in identifying and evaluating project risks. Everyone looks at the project differently, and sometimes the input from the student intern can be vital.
If you have a Falcon Heavy, and you have a Dragon, and you have a Bigelow module, then all of a sudden, life gets interesting.
