What is the history behind the NASA mission caps? Why do astronauts wear baseball caps and when did the tradition start? : r/nasa

Apollo 13: An Accident in Space

Apollo 11: The Navy's Role in the Recovery Operation

The Evolution of Spacesuits

NASA Press Releases: Rocket launch status & other Kennedy Space Center information - Titusville Florida

Hard Hat, Space Shuttle Program, Dennis Jenkins

AFRL tests next-generation NASA communications system > Wright-Patterson AFB > Article Display

What is the head cover that astronauts wear inside their helmet? - Quora

FAA: No more commercial astronaut wings (but Inspiration4 and others will be grandfathered in) : r/SpaceXLounge

Spacesuits National Air and Space Museum

Nasa astronauts training hi-res stock photography and images - Page 3 - Alamy

Why do astronauts (real and in film/TV) wear a cap over their head when they put on their pressure suit? - Quora

Spacesuits - NASA