Want to watch better-quality PBS Video? Sign in to access HD streaming!
Just over forty years ago, Col. Buzz Aldrin and Neil Armstrong became the first humans to set foot on the moon. Fewer people know of his scientific contributions to space exploration, which include docking and rendezvous technology for spacecraft, innovation in underwater training for astronauts, a master plan for missions to Mars and ongoing leadership in human space exploration by the U.S.
Upgrade Your Viewing Experience
This video is available to CallSign viewers with a Passport account. Passport gives you access to a wealth of premium content not previously available online, including full seasons of your favorite shows.