| Term |
Age |
History |
|---|
| 1 |
18 |
Failed to qualify for Marine Support (Marine). |
| 1 |
18 |
Submitted to the draft. |
| 1 |
18 |
Became a Navy (Engineer/Gunner) with the new title Crewman. |
| 1 |
22 |
Advanced training in a specialist field. |
| 2 |
22 |
Continued as Navy (Engineer/Gunner). |
| 2 |
25 |
Ellsworth Patterson foil an attempted crime on board, such as mutiny, sabotage, smuggling or conspiracy. Gain an Enemy. |
| 2 |
26 |
Promoted to Navy (Engineer/Gunner) rank 1 with the new title Able Spacehand. |
| 3 |
26 |
Continued as Navy (Engineer/Gunner). |
| 3 |
30 |
Ellsworth Patterson foil an attempted crime on board, such as mutiny, sabotage, smuggling or conspiracy. Gain an Enemy. |
| 4 |
30 |
Continued as Navy (Engineer/Gunner). |
| 4 |
32 |
Special assignment or duty on board ship. |
| 4 |
34 |
Forced to muster out. |