| Term | History |
|---|
| 1 | Became a Engineer/Gunner at age 18 |
| 1 | Is now a Crewman |
| 1 | Birth or Death involving a family member or close friend. |
| 1 | Promoted to Engineer/Gunner rank 1 |
| 1 | Is now a Able Spacehand |
| 2 | Continued as Engineer/Gunner at age 22 |
| 2 | Vessel participates in a diplomatic mission. |
| 2 | Promoted to Engineer/Gunner rank 2 |
| 2 | Is now a Petty Officer, 3rd class |
| 3 | Continued as Engineer/Gunner at age 26 |
| 3 | Vessel participates in a diplomatic mission. |
| 3 | Gain a contact. |
| 3 | Promoted to Engineer/Gunner rank 3 |
| 3 | Is now a Petty Officer, 2nd class |
| 4 | Continued as Engineer/Gunner at age 30 |
| 4 | Vessel participates in a notable military engagement. |
| 4 | Promoted to Engineer/Gunner rank 4 |
| 4 | Is now a Petty Officer, 1st class |
| 5 | Continued as Engineer/Gunner at age 34 |
| 5 | You are tormented by or quarrel with an officer or fellow crewman. Gain that character as a Rival. |
| 6 | Switched to Line/Crew at age 38 |
| 6 | Advanced training in a specialist field |
| 6 | Promoted to Line/Crew rank 5 |
| 6 | Is now a Chief Petty Officer |
| 7 | Continued as Line/Crew at age 42 |
| 7 | Vessel participates in a diplomatic mission. |
| 7 | Promoted to Line/Crew rank 6 |
| 7 | Is now a Master Chief |
| 8 | Continued as Line/Crew at age 46 |
| 8 | Special assignment or duty on board ship. |
| 8 | Promoted to Line/Crew rank 7 |
| 9 | Continued as Line/Crew at age 50 |
| 9 | Vessel participates in a notable military engagement. |
| 9 | Promoted to Line/Crew rank 8 |
| 10 | Continued as Line/Crew at age 54 |
| 10 | Special assignment or duty on board ship. |
| 10 | Promoted to Line/Crew rank 9 |
| 11 | Continued as Line/Crew at age 58 |
| 11 | Refuse to abuse your position for profit |
| 11 | Promoted to Line/Crew rank 10 |
| 12 | Continued as Line/Crew at age 62 |
| 12 | Moved to a new world. |
| 12 | Promoted to Line/Crew rank 11 |
| 13 | Aging Crisis. Owe 20,000 for medical bills. |
| 13 | Continued as Line/Crew at age 66 |
| 13 | Advanced training in a specialist field |
| 13 | Promoted to Line/Crew rank 12 |
| 14 | Aging Crisis. Owe 60,000 for medical bills. |