| Term |
Age |
History |
|---|
| 1 |
18 |
Became a Entertainer (Artist). |
| 1 |
20 |
An investigation, tour, project or expedition goes wrong, stranding Merle Burress far from home. |
| 2 |
20 |
Failed to qualify for Scientist (Scholar). |
| 2 |
20 |
Submitted to the draft. |
| 2 |
20 |
Became a Agent (Law Enforcement) with the new title Rookie. |
| 2 |
24 |
Rewarded for a successful mission. |
| 2 |
24 |
Promoted to Agent (Law Enforcement) rank 1 with the new title Corporal. |
| 3 |
24 |
Continued as Agent (Law Enforcement). |
| 3 |
27 |
Birth or Death involving a family member or close friend. |
| 4 |
28 |
Continued as Agent (Law Enforcement). |
| 4 |
32 |
Advanced training in a specialist field. |
| 4 |
32 |
Promoted to Agent (Law Enforcement) rank 2 with the new title Sergeant. |