| Term | History |
|---|
| 1 | Became a Flight at age 18 |
| 1 | Is now a Crewman |
| 1 | Severely injured. Fully recovered. |
| 2 | Switched to Engineer/Gunner at age 22 |
| 2 | Special assignment or duty on board ship. |
| 3 | Continued as Engineer/Gunner at age 26 |
| 3 | Special assignment or duty on board ship. |
| 4 | Continued as Engineer/Gunner at age 30 |
| 4 | Vessel participates in a diplomatic mission. |
| 4 | Gain a contact. |
| 4 | Promoted to Engineer/Gunner rank 1 |
| 4 | Is now a Able Spacehand |
| 5 | Continued as Engineer/Gunner at age 34 |
| 5 | Vessel participates in a notable military engagement. |
| 5 | Promoted to Engineer/Gunner rank 2 |
| 5 | Is now a Petty Officer, 3rd class |
| 6 | Voluntarily left Engineer/Gunner |
| 6 | Became a Intelligence at age 38 |
| 6 | Rewarded for a successful mission. |
| 7 | Continued as Intelligence at age 42 |
| 7 | Hard times caused by a lack of interstellar trade costs you your job. |
| 8 | Switched to Law Enforcement at age 46 |
| 8 | Is now a Rookie |
| 8 | You go above and beyond the call of duty. |
| 8 | Promoted to rank 1 |
| 8 | Is now a Corporal |
| 9 | Voluntarily left Law Enforcement |
| 9 | Returned to Engineer/Gunner at age 50 |
| 9 | Vessel participates in a diplomatic mission. |
| 9 | Forced to continue current assignment |
| 9 | Promoted to Engineer/Gunner rank 3 |
| 9 | Is now a Petty Officer, 2nd class |
| 10 | Continued as Engineer/Gunner at age 54 |
| 10 | Advanced training in a specialist field |
| 10 | Forced to muster out. |