| Term |
Age |
History |
|---|
| 1 |
12 |
Entered Military Academy(Army Academy) |
| 1 |
15 |
Spent the college years partying. |
| 1 |
15 |
Dropped out of military academy. |
| 2 |
15 |
Became a Scout (Surveyor). |
| 2 |
18 |
Walton Miles's ship is ambushed by enemy vessels. Attempted to bargain with them but fail and the ship is destroyed. |
| 3 |
19 |
Failed to qualify for Intelligence (Agent). |
| 3 |
19 |
Submitted to the draft. |
| 3 |
19 |
Became a Dolphin Military (Underwater Commando) with the new title Private. |
| 3 |
20 |
Receive special training in underwater mine disposal. |
| 4 |
23 |
Continued as Dolphin Military (Underwater Commando). |
| 4 |
27 |
An investigation uncovers links between Walton Miles's unit’s commander and a radical faction. |