| Milestone | Person/Animal/Mission | Mission (Year) |
|---|
| First artificial satellite* | |
| First animal in space | |
| First man in space | |
| First man to orbit Earth | |
| First woman in space | |
| First EVA (Extravehicular activity) | |
| First in-space vehicle docking* | |
| First man to die during a space mission | |
| First manned mission to orbit the moon* | |
| First man on the moon | |
| First space station* | |
| First international space mission | |
| First reuseable manned spacecraft* | |
| First untethered EVA (1) | |
| First untethered EVA (2) | |
| First female EVA | |
| First continuously inhabited space station | |
| First Russian to fly on a U.S. spacecraft | |
| Longest time in space on a single mission (437 days, 18 hours) | |
| First piece of the ISS launched* | |
Moon Walkers
People of the Millennium
Secret Service Codenames
