| Term |
Age |
History |
|---|
| 1 |
18 |
Became a Marine (Star Marine) with the new title Marine. |
| 1 |
20 |
A mission goes wrong and Peyton Atkins is stranded behind enemy lines. Ejected from the service. |
| 2 |
20 |
Became a Navy (Line/Crew) with the new title Crewman. |
| 2 |
24 |
Birth or Death involving a family member or close friend. |
| 3 |
24 |
Continued as Navy (Line/Crew). |
| 3 |
27 |
Vessel participates in a notable military engagement. |
| 4 |
28 |
Attempted to change assignments. |
| 4 |
28 |
Failed to qualify for Flight (Navy). |
| 4 |
28 |
Continued as Navy (Line/Crew). |
| 4 |
29 |
Vessel participates in a notable military engagement. |
| 5 |
32 |
Voluntarily left Line/Crew |
| 5 |
32 |
Failed to qualify for Intelligence (Agent). |
| 5 |
32 |
Submitted to the draft. |
| 5 |
32 |
Returned to Marine (Star Marine). |
| 5 |
34 |
On the front lines of a planetary assault and occupation. |
| 5 |
36 |
Promoted to Marine (Star Marine) rank 1 with the new title Lance Corporal. |