| 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 |
21 |
Abuse Wash Butler's position for profit. |
| 1 |
22 |
Promoted to Navy (Engineer/Gunner) rank 1 with the new title Able Spacehand. |
| 2 |
22 |
Continued as Navy (Engineer/Gunner). |
| 2 |
25 |
Vessel participates in a diplomatic mission. |
| 2 |
26 |
Promoted to Navy (Engineer/Gunner) rank 2 with the new title Petty Officer, 3rd class. |
| 3 |
26 |
Continued as Navy (Engineer/Gunner). |
| 3 |
29 |
Special assignment or duty on board ship. |
| 3 |
30 |
Promoted to Navy (Engineer/Gunner) rank 3 with the new title Petty Officer, 2nd class. |
| 4 |
30 |
Continued as Navy (Engineer/Gunner). |
| 4 |
32 |
Lost eye or limb. Fully recovered. |
| 5 |
32 |
Became a Scholar (Physician). |
| 5 |
33 |
Refused to perform research that goes against Wash Butler's conscience. |