| Term |
Age |
History |
|---|
| 1 |
12 |
Entered Military Academy(Dolphin Military Academy) |
| 1 |
14 |
Join a social movement. |
| 1 |
16 |
Graduated with honors. |
| 2 |
16 |
Became a Dolphin Military (Underwater Commando) with the new title Private. |
| 2 |
16 |
Commissioned in Dolphin Military (Underwater Commando) with the new title Lieutenant. |
| 2 |
17 |
A brutal amphibious warfare campaign forces William Duffey to spend as much time fighting out of water as in. |
| 2 |
20 |
Promoted to Dolphin Military (Underwater Commando) officer rank 2 with the new title Captain. |
| 3 |
20 |
Continued as Dolphin Military (Underwater Commando). |
| 3 |
23 |
Spend a lengthy period serving as an auxiliary aboard a spacecraft operating underwater, such
as a system defence boat. |
| 3 |
24 |
Promoted to Dolphin Military (Underwater Commando) officer rank 3 with the new title Major. |