| Term |
Age |
History |
|---|
| 1 |
18 |
Became a Scholar (Physician). |
| 1 |
20 |
Refused to perform research that goes against Robert Hays's conscience. |
| 1 |
22 |
Promoted to Scholar (Physician) rank 1. |
| 2 |
22 |
Continued as Scholar (Physician). |
| 2 |
25 |
Refuse to join a cheat in some fashion. |
| 3 |
26 |
Voluntarily left Physician |
| 3 |
26 |
Failed to qualify for Line/Crew (Navy). |
| 3 |
26 |
Submitted to the draft. |
| 3 |
26 |
Became a Navy (Line/Crew) with the new title Crewman. |
| 3 |
28 |
Placed in the frozen watch (cryogenically stored on board ship) and revived improperly. |
| 3 |
30 |
Attempt at commissioned failed. |
| 3 |
30 |
Promoted to Navy (Line/Crew) rank 1 with the new title Able Spacehand. |
| 4 |
30 |
Continued as Navy (Line/Crew). |
| 4 |
32 |
Advanced training in a specialist field. |
| 4 |
34 |
Promoted to Navy (Line/Crew) rank 2 with the new title Petty Officer, 3rd class. |
| 5 |
34 |
Voluntarily left Line/Crew |
| 5 |
34 |
Switched to Scholar (Scientist) with previous rank. |
| 5 |
35 |
Make a breakthrough in Robert Hays's field. |