| Term |
Age |
History |
|---|
| 1 |
18 |
Failed to qualify for Infantry (Army). |
| 1 |
18 |
Submitted to the draft. |
| 1 |
18 |
Became a Marine (Star Marine) with the new title Marine. |
| 1 |
22 |
Assigned to a black ops mission. |
| 1 |
22 |
Promoted to Marine (Star Marine) rank 1 with the new title Lance Corporal. |
| 2 |
22 |
Continued as Marine (Star Marine). |
| 2 |
26 |
Commanding officer takes an interest in Joseph Greerson's career. |
| 3 |
26 |
Continued as Marine (Star Marine). |
| 3 |
29 |
A mission goes disastrously wrong due to Joseph Greerson's commander’s error or incompetence, but Joseph Greerson survive. |
| 3 |
29 |
Report commander and gain an Enemy. |
| 3 |
30 |
Promoted to Marine (Star Marine) rank 2 with the new title Corporal. |