| Term |
Age |
History |
|---|
| 1 |
18 |
Entered University. |
| 1 |
20 |
Join a social movement. |
| 1 |
20 |
Dropped out of university. |
| 2 |
20 |
Failed to qualify for Ground Assault (Marine). |
| 2 |
20 |
Became a Drifter (Scavenger). |
| 2 |
24 |
Burr Pettitt do not know what happened to Burr Pettitt. There is a gap in Burr Pettitt's memory. |
| 3 |
24 |
Became a Scholar (Field Researcher). |
| 3 |
28 |
Advanced training in a specialist field. |
| 3 |
28 |
Promoted to Scholar (Field Researcher) rank 1. |
| 4 |
28 |
Continued as Scholar (Field Researcher). |
| 4 |
30 |
Refused to perform research that goes against Burr Pettitt's conscience. |
| 4 |
32 |
Promoted to Scholar (Field Researcher) rank 2. |