| Term |
Age |
History |
|---|
| 1 |
18 |
Became a Entertainer (Performer). |
| 1 |
20 |
Find an Alien Artifact. |
| 2 |
22 |
Continued as Entertainer (Performer). |
| 2 |
24 |
An investigation, tour, project or expedition goes wrong, stranding Sumner McCnaghty far from home. |
| 3 |
24 |
Failed to qualify for Physician (Scholar). |
| 3 |
24 |
Submitted to the draft. |
| 3 |
24 |
Became a Marine (Ground Assault) with the new title Marine. |
| 3 |
26 |
Commanding officer takes an interest in Sumner McCnaghty's career. |
| 3 |
28 |
Attempt at commissioned failed. |
| 3 |
28 |
Promoted to Marine (Ground Assault) rank 1 with the new title Lance Corporal. |