| Term |
Age |
History |
|---|
| 1 |
12 |
Became a Dolphin Civilian (Nomad). |
| 1 |
15 |
Billie Thomas fail a dangerous mission to rescue people in a sinking vessel or underwater city. |
| 1 |
16 |
Promoted to Dolphin Civilian (Nomad) rank 1. |
| 2 |
16 |
Continued as Dolphin Civilian (Nomad). |
| 2 |
20 |
Billie Thomas rise to a position of responsibility. |
| 2 |
20 |
Promoted to Dolphin Civilian (Nomad) rank 2 with the new title Pod Leader. |
| 3 |
20 |
Continued as Dolphin Civilian (Nomad). |
| 3 |
21 |
Billie Thomas fail to rescue a high-status swimmer who was lost at sea. |
| 4 |
24 |
Continued as Dolphin Civilian (Nomad). |
| 4 |
28 |
An accident leaves Billie Thomas caught on land without a travel suit. Billie Thomas suffer serious dehydration and
require lengthy hospitalization. |
| 5 |
28 |
Became a Dolphin Military (Guardian). |
| 5 |
32 |
Spend a lengthy period serving as an auxiliary aboard a spacecraft operating underwater, such
as a system defence boat. |
| 5 |
32 |
Attempt at commissioned failed. |
| 5 |
32 |
Promoted to Dolphin Military (Guardian) rank 1. |
| 6 |
32 |
Attempted to change assignments. |
| 6 |
32 |
Switched to Dolphin Military (Underwater Commando) with the new title Lance Corporal and previous rank. |
| 6 |
34 |
A mission goes badly wrong when a human leader disregards Billie Thomas's advice because Billie Thomas is ‘just
a Dolphin’ and then blames Billie Thomas for their mistake. Billie Thomas quitely accept it. |