| Term |
Age |
History |
|---|
| 1 |
18 |
Became a Navy (Engineer/Gunner) with the new title Crewman. |
| 1 |
20 |
Vessel participates in a notable military engagement. |
| 1 |
22 |
Attempt at commissioned failed. |
| 1 |
22 |
Forced to muster out. |
| 2 |
22 |
Became a Agent (Law Enforcement) with the new title Rookie. |
| 2 |
24 |
Accepted a deal with criminal or other figure under investigation. |
| 3 |
24 |
Returned to Navy (Engineer/Gunner). |
| 3 |
28 |
Birth or Death involving a family member or close friend. |
| 3 |
28 |
Promoted to Navy (Engineer/Gunner) rank 1 with the new title Able Spacehand. |
| 4 |
28 |
Continued as Navy (Engineer/Gunner). |
| 4 |
32 |
Advanced training in a specialist field. |
| 4 |
32 |
Promoted to Navy (Engineer/Gunner) rank 2 with the new title Petty Officer, 3rd class. |
| 5 |
32 |
Attempted to change assignments. |
| 5 |
32 |
Failed to qualify for Flight (Navy). |
| 5 |
32 |
Continued as Navy (Engineer/Gunner). |
| 5 |
34 |
Vessel participates in a notable military engagement. |
| 5 |
36 |
Promoted to Navy (Engineer/Gunner) rank 3 with the new title Petty Officer, 2nd class. |
| 6 |
36 |
Continued as Navy (Engineer/Gunner). |
| 6 |
38 |
Special assignment or duty on board ship. |
| 6 |
40 |
Forced to muster out. |