“Globalisation means many other countries are asserting themselves and trying to take over leadership. Please don't ask Americans to let others assume the leadership of human exploration. We can do wonderful science on the Moon, and wonderful commercial things. Then we can pack up and move on to Mars.”

American astronaut and engineer of the Apollo era, Buzz Aldrin is best known as the second person to walk on the Moon during the Apollo 11 mission in 1969. His career spans pioneering spaceflight, engineering, and advocacy for space exploration, as well as later work as an author and public speaker on science and human achievement.