My expertise is the space program and what it should be in the future based on my experience of looking at the transitions that we've made between pre-Sputnik days and getting to the moon.
Buzz AldrinTrips to Mars, the Moon, even orbit, will require that we provide astrotourists with as many comforts from home as possible, including paying each other.
Buzz AldrinWhen you're in a spacecraft, you need to know what things you can touch and what things you shouldn't touch!
Buzz Aldrin