| Term |
Age |
History |
|---|
| 1 |
12 |
Became a Dolphin Military (Guardian). |
| 1 |
16 |
Receive special training in underwater mine disposal. |
| 2 |
16 |
Continued as Dolphin Military (Guardian). |
| 2 |
19 |
A mission goes badly wrong when a human leader disregards Carson Chapman's advice because Carson Chapman is ‘just a Dolphin’ and then blames Carson Chapman for their mistake. Carson Chapman try and fail to prove Carson Chapman's innocence. |
| 2 |
20 |
Promoted to Dolphin Military (Guardian) rank 1. |
| 3 |
20 |
Continued as Dolphin Military (Guardian). |
| 3 |
21 |
A brutal amphibious warfare campaign forces Carson Chapman to spend as much time fighting out of water as in. |
| 3 |
24 |
Promoted to Dolphin Military (Guardian) rank 2. |