| Term | History |
| 1 | Became a Line/Crew at age 18 |
| 1 | Is now a Crewman |
| 1 | Advanced training in a specialist field |
| 1 | Attempt at commissioned failed. |
| 2 | Continued as Line/Crew at age 22 |
| 2 | Vessel participates in a notable military engagement. |
| 3 | Continued as Line/Crew at age 26 |
| 3 | You foil an attempted crime on board, such as mutiny, sabotage, smuggling or conspiracy. Gain an Enemy. |
| 3 | Promoted to Line/Crew rank 1 |
| 3 | Is now a Able Spacehand |
| 4 | Continued as Line/Crew at age 30 |
| 4 | Special assignment or duty on board ship. |
| 5 | Continued as Line/Crew at age 34 |
| 5 | Advanced training in a specialist field |
| 5 | Forced to muster out. |
| 6 | Switched to Flight at age 38 |
| 6 | Injured. Fully recovered. Owe 1,250 for medical bills. |
| 7 | Became a Surveyor at age 42 |
| 7 | When dealing with an alien race, you botch an opportunity to gather extra intelligence about them. |
| 7 | You have no idea what happened to you – they found your ship drifting on the fringes of friendly space. |
| 8 | Voluntarily left Surveyor |
| 8 | Returned to Flight at age 46 |
| 8 | You foil an attempted crime on board, such as mutiny, sabotage, smuggling or conspiracy. Gain an Enemy. |
| 8 | Promoted to Flight rank 2 |
| 8 | Is now a Petty Officer, 3rd class |