| Term |
Age |
History |
|---|
| 1 |
18 |
Entered Military Academy(Naval 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 |
Special assignment or duty on board ship. |
| 2 |
24 |
Promoted to Navy (Engineer/Gunner) rank 1 with the new title Able Spacehand. |
| 3 |
24 |
Continued as Navy (Engineer/Gunner). |
| 3 |
26 |
Commanding officer takes an interest in Aubrey Henry's career. |
| 3 |
28 |
Commissioned in Navy (Engineer/Gunner) with the new title Ensign. |
| 3 |
28 |
Promoted to Navy (Engineer/Gunner) officer rank 2 with the new title Sublieutenant. |
| 4 |
28 |
Continued as Navy (Engineer/Gunner). |
| 4 |
31 |
Vessel participates in a notable military engagement. |
| 4 |
32 |
Promoted to Navy (Engineer/Gunner) officer rank 3 with the new title Lieutenant. |
| 5 |
32 |
Continued as Navy (Engineer/Gunner). |
| 5 |
33 |
Vessel participates in a notable military engagement. |
| 5 |
36 |
Promoted to Navy (Engineer/Gunner) officer rank 4 with the new title Commander. |