NASA trainee (9)
I believe the answer is:
astronaut
(Other definitions for astronaut that I've seen before include "high flier" , "High-flier" , "spaceman" , "Buzz Aldrin, for example" , "Person trained to travel in a spacecraft" .)
I believe the answer is:
astronaut
(Other definitions for astronaut that I've seen before include "high flier" , "High-flier" , "spaceman" , "Buzz Aldrin, for example" , "Person trained to travel in a spacecraft" .)