| Term |
Age |
History |
|---|
| 1 |
12 |
Failed to qualify for Dolphin Military Academy (Military Academy). |
| 1 |
12 |
Submitted to the draft. |
| 1 |
12 |
Became a Dolphin Military (Guardian). |
| 1 |
13 |
Receive special training in underwater mine disposal. |
| 1 |
16 |
Promoted to Dolphin Military (Guardian) rank 1. |
| 2 |
16 |
Continued as Dolphin Military (Guardian). |
| 2 |
17 |
Spend a lengthy period serving as an auxiliary aboard a spacecraft operating underwater, such
as a system defence boat. |
| 2 |
20 |
Promoted to Dolphin Military (Guardian) rank 2. |
| 3 |
20 |
Continued as Dolphin Military (Guardian). |
| 3 |
23 |
Moved to a new world. |
| 3 |
24 |
Promoted to Dolphin Military (Guardian) rank 3. |