| Term |
Age |
History |
|---|
| 1 |
18 |
Failed to qualify for Army Academy (Military Academy). |
| 1 |
18 |
Became a Drifter (Wanderer). |
| 1 |
19 |
Suffer from a life-threatening illness. |
| 2 |
19 |
Failed to qualify for Star Marine (Marine). |
| 2 |
19 |
Submitted to the draft. |
| 2 |
19 |
Became a Navy (Engineer/Gunner) with the new title Crewman. |
| 2 |
20 |
Commanding officer takes an interest in Tony Buchannan's career. |
| 2 |
23 |
Promoted to Navy (Engineer/Gunner) rank 1 with the new title Able Spacehand. |
| 3 |
23 |
Continued as Navy (Engineer/Gunner). |
| 3 |
25 |
Tony Buchannan is blamed for an accident that causes the death of several crew members. Tony Buchannan's guilt drives Tony Buchannan to excel. |