| Term |
Age |
History |
|---|
| 1 |
18 |
Became a Navy (Engineer/Gunner) with the new title Crewman. |
| 1 |
20 |
Vessel participates in a diplomatic mission. |
| 1 |
22 |
Attempt at commissioned failed. |
| 1 |
22 |
Promoted to Navy (Engineer/Gunner) rank 1 with the new title Able Spacehand. |
| 2 |
22 |
Continued as Navy (Engineer/Gunner). |
| 2 |
24 |
Birth or Death involving a family member or close friend. |
| 2 |
26 |
Commissioned in Navy (Engineer/Gunner) with the new title Ensign. |
| 2 |
26 |
Promoted to Navy (Engineer/Gunner) officer rank 2 with the new title Sublieutenant. |
| 3 |
26 |
Continued as Navy (Engineer/Gunner). |
| 3 |
28 |
Vessel participates in a notable military engagement. |
| 4 |
30 |
Continued as Navy (Engineer/Gunner). |
| 4 |
31 |
Advanced training in a specialist field. |
| 4 |
34 |
Promoted to Navy (Engineer/Gunner) officer rank 3 with the new title Lieutenant. |
| 5 |
34 |
Continued as Navy (Engineer/Gunner). |
| 5 |
35 |
Vessel participates in a diplomatic mission. |
| 5 |
35 |
Gain a contact. |
| 5 |
38 |
Promoted to Navy (Engineer/Gunner) officer rank 4 with the new title Commander. |
| 6 |
38 |
Continued as Navy (Engineer/Gunner). |
| 6 |
39 |
Vessel participates in a diplomatic mission. |
| 6 |
42 |
Forced to muster out. |