| Term |
Age |
History |
|---|
| 1 |
12 |
Entered Military Academy(Marine Academy) |
| 1 |
14 |
Study Explosives as a hobby. |
| 1 |
14 |
Dropped out of military academy. |
| 2 |
14 |
Failed to qualify for Underwater Commando (Dolphin Military). |
| 2 |
14 |
Became a Dolphin Civilian (Nomad). |
| 2 |
16 |
To war or insurgency erupts on Heber Kerran's world. Heber Kerran's business or home is destroyed, forcing Heber Kerran into exile. |
| 3 |
16 |
Became a Scholar (Scientist). |
| 3 |
19 |
Advanced training in a specialist field. |
| 4 |
20 |
Continued as Scholar (Scientist). |
| 4 |
21 |
Win a prestigious prize for Heber Kerran's work. |
| 4 |
24 |
Promoted to Scholar (Scientist) rank 1. |