| Term | History |
|---|
| 1 | Became a Marine Support at age 18 |
| 1 | Is now a Marine |
| 1 | Commanding officer takes an interest in your career. |
| 1 | Promoted to Marine Support rank 1 |
| 1 | Is now a Lance Corporal |
| 2 | Continued as Marine Support at age 22 |
| 2 | A mission goes wrong; you and several others are captured and mistreated by the enemy. Gain your jailer as an Enemy. |
| 2 | Promoted to Marine Support rank 2 |
| 2 | Is now a Corporal |
| 3 | Continued as Marine Support at age 26 |
| 3 | Gained a contact. |
| 3 | Promoted to Marine Support rank 3 |
| 3 | Is now a Lance Sergeant |
| 4 | Continued as Marine Support at age 30 |
| 4 | Assigned to an assault on an enemy fortress. |
| 4 | Promoted to Marine Support rank 4 |
| 4 | Is now a Sergeant |
| 5 | Continued as Marine Support at age 34 |
| 5 | Assigned to the security staff of a space station. |
| 5 | Promoted to Marine Support rank 5 |
| 5 | Is now a Gunnery Sergeant |
| 6 | Continued as Marine Support at age 38 |
| 6 | Assigned to a black ops mission. |
| 6 | Forced to continue current assignment |
| 6 | Promoted to Marine Support rank 6 |
| 6 | Is now a Sergeant Major |
| 7 | Continued as Marine Support at age 42 |
| 7 | Betrayal. Convert an Ally into a Rival or Enemy. |
| 7 | Forced to muster out. |
| 8 | Became a Physician at age 46 |
| 8 | Refused to perform research that goes against your conscience. |
| 8 | Promoted to rank 1 |
| 9 | Continued as Physician at age 50 |
| 9 | A romantic relationship deepens, possibly leading to marriage. Gain an Ally. |
| 9 | Promoted to rank 2 |
| 10 | Continued as Physician at age 54 |
| 10 | Win a prestigious prize for your work. |
| 10 | Forced to muster out. |