| Term |
Age |
History |
|---|
| 1 |
12 |
Entered Military Academy(Naval Academy) |
| 1 |
16 |
Widely recognized. |
| 1 |
16 |
Dropped out of military academy. |
| 2 |
16 |
Became a Navy (Line/Crew) with the new title Crewman. |
| 2 |
17 |
Refuse to abuse Lala Obrien's position for profit. |
| 2 |
20 |
Promoted to Navy (Line/Crew) rank 1 with the new title Able Spacehand. |
| 3 |
20 |
Continued as Navy (Line/Crew). |
| 3 |
22 |
Vessel participates in a notable military engagement. |
| 3 |
24 |
Promoted to Navy (Line/Crew) rank 2 with the new title Petty Officer, 3rd class. |
| 4 |
24 |
Continued as Navy (Line/Crew). |
| 4 |
27 |
Vessel participates in a notable military engagement. |
| 5 |
28 |
Continued as Navy (Line/Crew). |
| 5 |
32 |
Special assignment or duty on board ship. |
| 5 |
32 |
Promoted to Navy (Line/Crew) rank 3 with the new title Petty Officer, 2nd class. |