| Term |
Age |
History |
|---|
| 1 |
12 |
Entered Military Academy(Dolphin Military Academy) |
| 1 |
16 |
Join a social movement. |
| 1 |
16 |
Graduated. |
| 2 |
16 |
Became a Dolphin Military (Underwater Commando) with the new title Private. |
| 2 |
19 |
Participate in a major sea battle |
| 2 |
20 |
Commissioned in Dolphin Military (Underwater Commando) with the new title Lieutenant. |
| 3 |
20 |
Attempted to change assignments. |
| 3 |
20 |
Failed to qualify for Sea Patrol (Dolphin Military). |
| 3 |
20 |
Continued as Dolphin Military (Underwater Commando). |
| 3 |
24 |
Participate in a major sea battle |