| Term |
Age |
History |
|---|
| 1 |
18 |
Became a Marine (Star Marine) with the new title Marine. |
| 1 |
22 |
Advanced training in a specialist field |
| 1 |
22 |
Promoted to Marine (Star Marine) rank 1 with the new title Lance Corporal. |
| 2 |
22 |
Continued as Marine (Star Marine). |
| 2 |
24 |
On the front lines of a planetary assault and occupation. |
| 2 |
26 |
Promoted to Marine (Star Marine) rank 2 with the new title Corporal. |
| 3 |
26 |
Continued as Marine (Star Marine). |
| 3 |
27 |
A mission goes wrong; Duke Cropper and several others are captured and mistreated by the enemy. Gain Duke Cropper's jailer as an Enemy. |
| 3 |
30 |
Promoted to Marine (Star Marine) rank 3 with the new title Lance Sergeant. |
| 4 |
30 |
Continued as Marine (Star Marine). |
| 4 |
34 |
Commanding officer takes an interest in Duke Cropper's career. |
| 4 |
34 |
Promoted to Marine (Star Marine) rank 4 with the new title Sergeant. |
| 5 |
34 |
Attempted to change assignments. |
| 5 |
34 |
Failed to qualify for Marine Support (Marine). |
| 5 |
34 |
Continued as Marine (Star Marine). |
| 5 |
36 |
Spend time with an alien race. Gain a contact. |
| 5 |
38 |
Promoted to Marine (Star Marine) rank 5 with the new title Gunnery Sergeant. |