“America is a country defined by a set of ideas, and when people choose to accept those ideas, they should be able to become Americans, as fully so as any - and perhaps more so than most - regardless of how recently they or their ancestors arrived upon our shores. This is the true American tradition, which as conservatives we must defend.”

American aerospace engineer and author

Robert Zubrin is an American aerospace engineer, author, and advocate for human exploration of Mars. He is known for arguing that space will shape future military and political power, and for making the case for a stronger American role in space. His writing often turns on Mars exploration and on the strategic importance of space. He has also argued that control of space will matter in future conflict, and that peace on Earth depends on preparing for war beyond it.