| Term | History |
| 1 | Became a Surveyor at age 18 |
| 1 | When dealing with an alien race, you botch an opportunity to gather extra intelligence about them. |
| 1 | You have no idea what happened to you – they found your ship drifting on the fringes of friendly space. |
| 2 | Voluntarily left Surveyor |
| 2 | Became a Marine Support at age 22 |
| 2 | Is now a Marine |
| 2 | Assigned to an assault on an enemy fortress. |
| 2 | Promoted to Marine Support rank 1 |
| 2 | Is now a Lance Corporal |
| 3 | Continued as Marine Support at age 26 |
| 3 | A mission goes disastrously wrong due to your commander’s error or incompetence, but you survive. |
| 3 | Report commander and gain an Enemy. |
| 3 | Promoted to Marine Support rank 2 |
| 3 | Is now a Corporal |
| 4 | Continued as Marine Support at age 30 |
| 4 | Advanced training in a specialist field |
| 4 | Forced to continue current assignment |
| 4 | Promoted to Marine Support rank 3 |
| 4 | Is now a Lance Sergeant |
| 5 | Continued as Marine Support at age 34 |
| 5 | Commanding officer takes an interest in your career. |
| 5 | Promoted to Marine Support rank 4 |
| 5 | Is now a Sergeant |
| 6 | Continued as Marine Support at age 38 |
| 6 | Gained a contact. |
| 6 | Promoted to Marine Support rank 5 |
| 6 | Is now a Gunnery Sergeant |
| 7 | Voluntarily left Marine Support |
| 7 | Became a Artist at age 42 |
| 7 | An investigation, tour, project or expedition goes wrong, stranding you far from home. |
| 8 | Became a Scavenger at age 46 |
| 8 | A romantic relationship deepens, possibly leading to marriage. Gain an Ally. |