spaceleader
nounUK /ˈspeɪsˌliːdə/
US /ˈspeɪsˌliːdər/
A spaceleader is the person in charge of a space mission or a space crew.
The spaceleader told the astronauts when it was time to launch.
OTHER MEANINGS
2. A person who guides a group through outer space in a story or game.
In the game, the spaceleader led the team past the asteroids.
3. The top person who makes big decisions for a space program.
The spaceleader announced a new plan to visit the moon.
4. A character who leads others on a pretend space adventure.
Mia was the spaceleader when we played astronauts in the yard.