| 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 | Vessel participates in a diplomatic mission. |
| 2 | Promoted to Line/Crew rank 2 |
| 2 | Is now a Petty Officer, 3rd class |
| 3 | Continued as Line/Crew at age 26 |
| 3 | Gained a contact. |
| 3 | Promoted to Line/Crew rank 3 |
| 3 | Is now a Petty Officer, 2nd class |
| 4 | Continued as Line/Crew at age 30 |
| 4 | A romantic relationship deepens, possibly leading to marriage. Gain an Ally. |
| 4 | Promoted to Line/Crew rank 4 |
| 4 | Is now a Petty Officer, 1st class |
| 5 | Continued as Line/Crew at age 34 |
| 5 | Vessel participates in a diplomatic mission. |
| 5 | Gain a contact. |
| 5 | Promoted to Line/Crew rank 5 |
| 5 | Is now a Chief Petty Officer |
| 6 | Continued as Line/Crew at age 38 |
| 6 | You foil an attempted crime on board, such as mutiny, sabotage, smuggling or conspiracy. Gain an Enemy. |
| 6 | Promoted to Line/Crew rank 6 |
| 6 | Is now a Master Chief |
| 7 | Continued as Line/Crew at age 42 |
| 7 | Betrayal. Convert an Ally into a Rival or Enemy. |
| 7 | Forced to muster out. |
| 8 | Aging Crisis. Owe 30,000 for medical bills. |
| 8 | Retired at age 46 |
| 8 | Good fortune |
| 9 | Aging Crisis. Owe 20,000 for medical bills. |
| 9 | A new romantic starts. Gain an Ally. |
| 10 | Aging Crisis. Owe 20,000 for medical bills. |
| 10 | Lost eye or limb. Fully recovered. Owe 10,000 for medical bills. |
| 11 | Aging Crisis. Owe 60,000 for medical bills. |
| 11 | A new romantic starts. Gain an Ally. |
| 12 | Aging Crisis. Owe 30,000 for medical bills. |
| 12 | A new romantic starts. Gain an Ally. |
| 13 | Aging Crisis. Owe 40,000 for medical bills. |
| 13 | Betrayal. Convert an Ally into a Rival or Enemy. |
| 14 | Aging Crisis. Owe 10,000 for medical bills. |
| 14 | A romantic relationship deepens, possibly leading to marriage. Gain an Ally. |
| 15 | Aging Crisis. Owe 20,000 for medical bills. |