| Term |
Age |
History |
|---|
| 1 |
18 |
Entered Military Academy(Army Academy) |
| 1 |
20 |
Join a social movement. |
| 1 |
20 |
Dropped out of military academy. |
| 2 |
20 |
Became a Navy (Engineer/Gunner) with the new title Crewman. |
| 2 |
22 |
Advanced training in a specialist field. |
| 2 |
24 |
Promoted to Navy (Engineer/Gunner) rank 1 with the new title Able Spacehand. |
| 3 |
24 |
Attempted to change assignments. |
| 3 |
24 |
Switched to Navy (Line/Crew) with previous rank. |
| 3 |
28 |
Advanced training in a specialist field. |
| 4 |
28 |
Attempted to change assignments. |
| 4 |
28 |
Returned to Navy (Engineer/Gunner). |
| 4 |
30 |
Advanced training in a specialist field. |
| 4 |
32 |
Attempt at commissioned failed. |
| 4 |
32 |
Promoted to Navy (Engineer/Gunner) rank 2 with the new title Petty Officer, 3rd class. |