| Term |
Age |
History |
|---|
| 1 |
12 |
Became a Dolphin Civilian (Liaison). |
| 1 |
16 |
Sidney Carpenter succeed at a dangerous mission to rescue people in a sinking vessel or underwater city. |
| 1 |
16 |
Promoted to Dolphin Civilian (Liaison) rank 1. |
| 2 |
16 |
Continued as Dolphin Civilian (Liaison). |
| 2 |
18 |
Gained a contact. |
| 3 |
20 |
Voluntarily left Liaison |
| 3 |
20 |
Became a Dolphin Military (Sea Patrol) with the new title Private. |
| 3 |
22 |
A brutal amphibious warfare campaign forces Sidney Carpenter 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. |