- Have you got what it takes to become an astronaut in the new era of human spaceflight? https://theconversation.com/have-you-got-what-it-takes-to-become-an-astronaut-in-the-new-era-of-human-spaceflight-140491 6 comments space
- Profile of John Glenn | NASA https://www.nasa.gov/content/profile-of-john-glenn/ 702 comments
- Commercial Crew Program | NASA http://www.nasa.gov/exploration/commercial/crew/index.html 98 comments
- http://www.nasa.gov/audience/forstudents/postsecondary/features/f_astronaut_requirements.html 4 comments
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