| Term |
Age |
History |
|---|
| 1 |
12 |
Became a Dolphin Civilian (Nomad). |
| 1 |
16 |
Sergio Coghill succeed at a dangerous mission to rescue people in a sinking vessel or underwater city. |
| 1 |
16 |
Forced to continue current assignment. |
| 1 |
16 |
Promoted to Dolphin Civilian (Nomad) rank 1. |
| 2 |
16 |
Continued as Dolphin Civilian (Nomad). |
| 2 |
19 |
Sergio Coghill have a chance to travel offworld on business and spend a long time in space. |
| 2 |
20 |
Promoted to Dolphin Civilian (Nomad) rank 2 with the new title Pod Leader. |
| 3 |
20 |
Continued as Dolphin Civilian (Nomad). |
| 3 |
24 |
Sergio Coghill rise to a position of responsibility. |
| 3 |
24 |
Promoted to Dolphin Civilian (Nomad) rank 3. |