| Term |
Age |
History |
|---|
| 1 |
18 |
Failed to qualify for Physician (Scholar). |
| 1 |
18 |
Submitted to the draft. |
| 1 |
18 |
Became a Navy (Line/Crew) with the new title Crewman. |
| 1 |
19 |
Advanced training in a specialist field. |
| 1 |
22 |
Promoted to Navy (Line/Crew) rank 1 with the new title Able Spacehand. |
| 2 |
22 |
Continued as Navy (Line/Crew). |
| 2 |
26 |
Advanced training in a specialist field. |
| 2 |
26 |
Commissioned in Navy (Line/Crew) with the new title Ensign. |
| 3 |
26 |
Continued as Navy (Line/Crew). |
| 3 |
28 |
Good fortune |
| 3 |
30 |
Promoted to Navy (Line/Crew) officer rank 2 with the new title Sublieutenant. |
| 4 |
30 |
Continued as Navy (Line/Crew). |
| 4 |
34 |
Good fortune |
| 4 |
34 |
Promoted to Navy (Line/Crew) officer rank 3 with the new title Lieutenant. |
| 5 |
34 |
Continued as Navy (Line/Crew). |
| 5 |
38 |
Display heroism in battle, saving the whole ship. |
| 5 |
38 |
Promoted to Navy (Line/Crew) officer rank 4 with the new title Commander. |