9 John Young (April 1972)
- Full name: John Watts Young
- Born: September 24, 1930
- Age at moon landing: 41
- Spaceflight/Moon landing mission: Apollo 16
- Launch date: April 16, 1972
- Launch site: Kennedy Space Center LC-39A
- Spacecraft that put him on the moon: Apollo CSM-113/Apollo LM-11
- Moonwalk date: April 21 (EVA 1), April 22 (EVA 2) and April 23 (EVA 3), 1972
- Return landing date: April 27, 1972
- Return landing site: South Pacific Ocean
- What you may not know about John Young: Young was the backup commander for the failed Apollo 13 mission. He played a central role in the successful and safe return of the Apollo 13 crew.
NASA is not about the ‘Adventure of Human Space Exploration’…We won’t be doing it just to get out there in space – we’ll be doing it because the things we learn out there will be making life better for a lot of people who won’t be able to go. -John Young
10 Charles Duke (April 1972)
- Full name: Charles Moss “Charlie” Duke, Jr.
- Born: October 3, 1935
- Age at moon landing: 36 (youngest man on the moon)
- Spaceflight/Moon landing mission: Apollo 16
- Launch date: April 16, 1972
- Launch site: Kennedy Space Center LC-39A
- Spacecraft that put him on the moon: Apollo CSM-113/Apollo LM-11
- Moonwalk date: April 21 (EVA 1), April 22 (EVA 2) and April 23 (EVA 3), 1972
- Return landing date: April 27, 1972
- Return landing site: South Pacific Ocean
- What you may not know about Charles Duke: Duke was Capsule Communicator (CAPCOM) for the Apollo 11 mission. His voice and accent became famous in the communication between him (Houston) and the Apollo 11 crew.
Roger, Twank… Tranquility, we copy you on the ground. You got a bunch of guys about to turn blue. We’re breathing again. Thanks a lot! -Charles Duke