| Term | History |
| 1 | Became a Line/Crew at age 18 |
| 1 | Is now a Crewman |
| 1 | Vessel participates in a notable military engagement. |
| 1 | Promoted to Line/Crew rank 1 |
| 1 | Is now a Able Spacehand |
| 2 | Continued as Line/Crew at age 22 |
| 2 | Advanced training in a specialist field |
| 2 | Promoted to Line/Crew rank 2 |
| 2 | Is now a Petty Officer, 3rd class |
| 3 | Continued as Line/Crew at age 26 |
| 3 | Special assignment or duty on board ship. |
| 4 | Continued as Line/Crew at age 30 |
| 4 | Vessel participates in a notable military engagement. |
| 4 | Promoted to Line/Crew rank 3 |
| 4 | Is now a Petty Officer, 2nd class |
| 5 | Continued as Line/Crew at age 34 |
| 5 | A new romantic starts. Gain an Ally. |
| 5 | Forced to muster out. |
| 6 | Became a Army Support at age 38 |
| 6 | Is now a Private |
| 6 | Thrown into a brutal ground war |
| 6 | Severely injured. |
| 6 | Promoted to Army Support rank 1 |
| 6 | Is now a Lance Corporal |
| 7 | Continued as Army Support at age 42 |
| 7 | Assigned to a peacekeeping role. |
| 8 | Continued as Army Support at age 46 |
| 8 | Forced out after co-operating with military investigation in commanding officer's illegal activity. |
| 9 | Switched to Engineer/Gunner at age 50 |
| 9 | Severely injured. Fully recovered. |
| 10 | Aging Crisis. Owe 20,000 for medical bills. |
| 10 | Retired at age 54 |
| 10 | Betrayal. Convert an Ally into a Rival or Enemy. |
| 11 | Lost eye or limb. |
| 12 | Aging Crisis. Owe 30,000 for medical bills. |
| 12 | A new romantic starts. Gain an Ally. |
| 13 | Aging Crisis. Owe 50,000 for medical bills. |