| Term | History |
| 1 | Became a Marine Support at age 18 |
| 1 | Is now a Marine |
| 1 | Assigned to an assault on an enemy fortress. |
| 1 | Promoted to Marine Support rank 1 |
| 1 | Is now a Lance Corporal |
| 2 | Continued as Marine Support at age 22 |
| 2 | Commanding officer takes an interest in your career. |
| 2 | Promoted to Marine Support rank 2 |
| 2 | Is now a Corporal |
| 3 | Continued as Marine Support at age 26 |
| 3 | Assigned to an assault on an enemy fortress. |
| 4 | Continued as Marine Support at age 30 |
| 4 | Find an Alien Artifact. |
| 4 | Promoted to Marine Support rank 3 |
| 4 | Is now a Lance Sergeant |
| 5 | Continued as Marine Support at age 34 |
| 5 | You are tormented by or quarrel with an officer or fellow soldier. Gain that officer as a Rival. |
| 6 | Switched to Ground Assault at age 38 |
| 6 | Assigned to an assault on an enemy fortress. |
| 6 | Promoted to Ground Assault rank 4 |
| 6 | Is now a Sergeant |
| 7 | Continued as Ground Assault at age 42 |
| 7 | A mission goes disastrously wrong due to your commander’s error or incompetence, but you survive. |
| 7 | Report commander and gain an Enemy. |
| 7 | Promoted to Ground Assault rank 5 |
| 7 | Is now a Gunnery Sergeant |
| 8 | Continued as Ground Assault at age 46 |
| 8 | Trapped behind enemy lines. |
| 8 | Promoted to Ground Assault rank 6 |
| 8 | Is now a Sergeant Major |
| 9 | Continued as Ground Assault at age 50 |
| 9 | Assigned to a black ops mission. |
| 9 | Promoted to Ground Assault rank 7 |
| 10 | Continued as Ground Assault at age 54 |
| 10 | Assigned to the security staff of a space station. |
| 10 | Promoted to Ground Assault rank 8 |
| 11 | Continued as Ground Assault at age 58 |
| 11 | Severely injured. Fully recovered. |
| 12 | Became a Engineer/Gunner at age 62 |
| 12 | Is now a Crewman |
| 12 | Vessel participates in a notable military engagement. |
| 12 | Promoted to Engineer/Gunner rank 1 |
| 12 | Is now a Able Spacehand |
| 13 | Aging Crisis. Owe 10,000 for medical bills. |
| 13 | Continued as Engineer/Gunner at age 66 |
| 13 | You are tormented by or quarrel with an officer or fellow crewman. Gain that character as a Rival. |
| 14 | Aging Crisis. Owe 50,000 for medical bills. |
| 14 | Retired at age 70 |
| 14 | A romantic relationship deepens, possibly leading to marriage. Gain an Ally. |
| 15 | Aging Crisis. Owe 30,000 for medical bills. |