| Term |
Age |
History |
|---|
| 1 |
12 |
Failed to qualify for Army Academy (Military Academy). |
| 1 |
12 |
Became a Dolphin Civilian (Nomad). |
| 1 |
15 |
Spend an extensive period living out of water among humans. |
| 1 |
16 |
Promoted to Dolphin Civilian (Nomad) rank 1. |
| 2 |
16 |
Voluntarily left Nomad |
| 2 |
16 |
Failed to qualify for University. |
| 2 |
16 |
Continued as Dolphin Civilian (Nomad). |
| 2 |
20 |
Sigrid Raycraft fail a dangerous mission to rescue people in a sinking vessel or underwater city. |
| 2 |
20 |
Promoted to Dolphin Civilian (Nomad) rank 2 with the new title Pod Leader. |
| 3 |
20 |
Voluntarily left Nomad |
| 3 |
20 |
Became a Dolphin Military (Sea Patrol) with the new title Private. |
| 3 |
24 |
A brutal amphibious warfare campaign forces Sigrid Raycraft to spend as much time fighting out of water as in. |
| 3 |
24 |
Promoted to Dolphin Military (Sea Patrol) rank 1 with the new title Lance Corporal. |