You Shouldn't Do Things Differently Just Because

My Vision Is For A Fully Reusable Rocket Transport System Between Earth And Mars That Is Able To Re-fuel On Mars - This Is Very Important - So You Don't Have To Carry The Return Fuel When You Go There.

I Would Like To Die On Mars. Just Not On Impact.

Government Isn't That Good At Rapid Advancement Of Technology. It Tends To Be Better At Funding Basic Research. To Have Things Take Off, You've Got To Have Commercial Companies Do It.

Land On Mars, A Round-trip Ticket - Half A Million Dollars. It Can Be Done.

The Fuel Cell Is Just A Fundamentally Inferior Way Of Delivering Electrical Energy To An Electric Motor Than Batteries.