| Term |
Age |
History |
|---|
| 1 |
18 |
Became a Agent (Intelligence). |
| 1 |
22 |
Given specialist training in vehicles. |
| 1 |
22 |
Promoted to Agent (Intelligence) rank 1 with the new title Agent. |
| 2 |
22 |
Continued as Agent (Intelligence). |
| 2 |
25 |
Hard times caused by a lack of interstellar trade costs Merle Gibb's job. |
| 3 |
25 |
Failed to qualify for Explorer (Scout). |
| 3 |
25 |
Submitted to the draft. |
| 3 |
25 |
Became a Marine (Ground Assault) with the new title Marine. |
| 3 |
28 |
A mission goes wrong and Merle Gibb is stranded behind enemy lines. Ejected from the service. |