| Term | History |
| 1 | Became a Engineer/Gunner at age 18 |
| 1 | Is now a Crewman |
| 1 | You are tormented by or quarrel with an officer or fellow crewman. Gain that character as a Rival. |
| 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 | Gain a contact. |
| 2 | Promoted to Engineer/Gunner rank 2 |
| 2 | Is now a Petty Officer, 3rd class |
| 3 | Continued as Engineer/Gunner at age 26 |
| 3 | Special assignment or duty on board ship. |
| 3 | Promoted to Engineer/Gunner rank 3 |
| 3 | Is now a Petty Officer, 2nd class |
| 4 | Continued as Engineer/Gunner at age 30 |
| 4 | Display heroism in battle, saving the whole ship. |
| 4 | Commissioned in Navy/Engineer/Gunner |
| 4 | Is now a Ensign |
| 4 | Promoted to Engineer/Gunner officer rank 2 |
| 4 | Is now a Sublieutenant |
| 5 | Continued as Engineer/Gunner at age 34 |
| 5 | You are blamed for an accident that causes the death of several crew members. Your guilt drives you to excel. |
| 6 | Became a Scientist at age 38 |
| 6 | Work for an eccentric but brilliant mentor, who becomes an Ally. |
| 6 | Promoted to rank 1 |
| 7 | Continued as Scientist at age 42 |
| 7 | Good fortune |
| 8 | Continued as Scientist at age 46 |
| 8 | Advanced training in a specialist field. |
| 9 | Continued as Scientist at age 50 |
| 9 | Caught cheating in some fashion, advancing your career and research by stealing another’s work, using an alien device, taking a shortcut and so forth. |
| 9 | A rival researcher blackens your name or steals your research. Gain a Rival. |
| 9 | Gain an Enemy |
| 10 | Continued as Scientist at age 54 |
| 10 | Work for an eccentric but brilliant mentor, who becomes an Ally. |
| 10 | Promoted to rank 2 |