| Term |
Age |
History |
|---|
| 1 |
12 |
Failed to qualify for Naval Academy (Military Academy). |
| 1 |
12 |
Became a Dolphin Civilian (Nomad). |
| 1 |
15 |
Elza Meyer discover a sunken vessel that contains valuable salvage. |
| 1 |
16 |
Promoted to Dolphin Civilian (Nomad) rank 1. |
| 2 |
16 |
Voluntarily left Nomad |
| 2 |
16 |
Became a Dolphin Military (Guardian). |
| 2 |
20 |
Receive special training in underwater mine disposal. |
| 2 |
20 |
Promoted to Dolphin Military (Guardian) rank 1. |
| 3 |
20 |
Continued as Dolphin Military (Guardian). |
| 3 |
22 |
Participate in a major sea battle |
| 3 |
24 |
Promoted to Dolphin Military (Guardian) rank 2. |