| Term |
Age |
History |
|---|
| 1 |
18 |
Became a Marine (Ground Assault) with the new title Marine. |
| 1 |
20 |
Assigned to a black ops mission. |
| 1 |
22 |
Promoted to Marine (Ground Assault) rank 1 with the new title Lance Corporal. |
| 2 |
22 |
Continued as Marine (Ground Assault). |
| 2 |
24 |
A mission goes disastrously wrong due to Alfredo Jimenez's commander’s error or incompetence, but Alfredo Jimenez survive. |
| 2 |
24 |
Report commander and gain an Enemy. |
| 2 |
26 |
Promoted to Marine (Ground Assault) rank 2 with the new title Corporal. |
| 3 |
26 |
Continued as Marine (Ground Assault). |
| 3 |
30 |
Assigned to the security staff of a space station. |
| 3 |
30 |
Promoted to Marine (Ground Assault) rank 3 with the new title Lance Sergeant. |
| 4 |
30 |
Continued as Marine (Ground Assault). |
| 4 |
31 |
Commanding officer takes an interest in Alfredo Jimenez's career. |
| 4 |
34 |
Promoted to Marine (Ground Assault) rank 4 with the new title Sergeant. |