| Term |
Age |
History |
|---|
| 1 |
18 |
Became a Navy (Flight) with the new title Crewman. |
| 1 |
22 |
Commanding officer takes an interest in Frank Walters's career. |
| 1 |
22 |
Attempt at commissioned failed. |
| 1 |
22 |
Promoted to Navy (Flight) rank 1 with the new title Able Spacehand. |
| 2 |
22 |
Voluntarily left Flight |
| 2 |
22 |
Became a Scholar (Field Researcher). |
| 2 |
23 |
Advanced training in a specialist field. |
| 2 |
26 |
Promoted to Scholar (Field Researcher) rank 1. |
| 3 |
26 |
Attempted to change assignments. |
| 3 |
26 |
Switched to Scholar (Physician) with previous rank. |
| 3 |
30 |
Advanced training in a specialist field. |
| 4 |
30 |
Continued as Scholar (Physician). |
| 4 |
34 |
Make a breakthrough in Frank Walters's field. |
| 4 |
34 |
Promoted to Scholar (Physician) rank 2. |
| 5 |
34 |
Continued as Scholar (Physician). |
| 5 |
37 |
Work for an eccentric but brilliant mentor, who becomes an Ally. |
| 5 |
38 |
Promoted to Scholar (Physician) rank 3. |