| Term |
Age |
History |
|---|
| 1 |
12 |
Became a Dolphin Civilian (Liaison). |
| 1 |
15 |
Selma Thompkins 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 |
17 |
Selma Thompkins is accidently trapped or shot by fishermen. |
| 3 |
17 |
Failed to qualify for Underwater Commando (Dolphin Military). |
| 3 |
17 |
Switched to Dolphin Civilian (Nomad). |
| 3 |
19 |
Birth or Death involving a family member or close friend. |
| 3 |
21 |
Forced to continue current assignment. |
| 3 |
21 |
Promoted to Dolphin Civilian (Nomad) rank 1. |