| Term |
Age |
History |
|---|
| 1 |
18 |
Failed to qualify for Ground Assault (Marine). |
| 1 |
18 |
Became a Drifter (Wanderer). |
| 2 |
22 |
Continued as Drifter (Wanderer). |
| 2 |
23 |
Arther Kelley do not know what happened to Arther Kelley. There is a gap in Arther Kelley's memory. |
| 3 |
23 |
Became a Scholar (Scientist). |
| 3 |
25 |
Make a breakthrough in Arther Kelley's field. |
| 3 |
27 |
Promoted to Scholar (Scientist) rank 1. |
| 4 |
27 |
Continued as Scholar (Scientist). |
| 4 |
30 |
Win a prestigious prize for Arther Kelley's work. |
| 4 |
31 |
Promoted to Scholar (Scientist) rank 2. |