| Term |
Age |
History |
|---|
| 1 |
18 |
Failed to qualify for Colonist (Citizen). |
| 1 |
18 |
Submitted to the draft. |
| 1 |
18 |
Became a Marine (Ground Assault) with the new title Marine. |
| 1 |
20 |
Commanding officer takes an interest in Tillman Reynolds's career. |
| 1 |
22 |
Commissioned in Marine (Ground Assault) with the new title Lieutenant. |
| 1 |
22 |
Promoted to Marine (Ground Assault) officer rank 2 with the new title Captain. |
| 2 |
22 |
Continued as Marine (Ground Assault). |
| 2 |
25 |
Display heroism in battle. |
| 2 |
26 |
Promoted to Marine (Ground Assault) officer rank 3 with the new title Force Commander. |
| 3 |
26 |
Continued as Marine (Ground Assault). |
| 3 |
30 |
A mission goes disastrously wrong due to Tillman Reynolds's commander’s error or incompetence, but Tillman Reynolds survive. |
| 3 |
30 |
Cover for the commander and gain an Ally. |
| 3 |
30 |
Promoted to Marine (Ground Assault) officer rank 4 with the new title Lieutenant Colonel. |
| 4 |
30 |
Continued as Marine (Ground Assault). |
| 4 |
31 |
Assigned to a black ops mission. |
| 4 |
34 |
Promoted to Marine (Ground Assault) officer rank 5 with the new title Colonel. |