| Term |
Age |
History |
|---|
| 1 |
12 |
Became a Dolphin Civilian (Liaison). |
| 1 |
13 |
Sybil Chambers succeed at a dangerous mission to rescue people in a sinking vessel or underwater city. |
| 2 |
16 |
Continued as Dolphin Civilian (Liaison). |
| 2 |
20 |
Rivalries between another race and Dolphins over Sybil Chambers's world’s ocean resources lead to conflict. Sybil Chambers try diplomacy but it fails. |
| 2 |
20 |
Promoted to Dolphin Civilian (Liaison) rank 1. |
| 3 |
20 |
Voluntarily left Liaison |
| 3 |
20 |
Became a Dolphin Military (Underwater Commando) with the new title Private. |
| 3 |
23 |
Sybil Chambers's unit is involved in a savage campaign against primitive indigenous aquatic aliens that troubles Sybil Chambers's conscience. If Sybil Chambers refuse to participate Sybil Chambers is ejected from this career. |
| 4 |
23 |
Failed to qualify for Flight (Navy). |
| 4 |
23 |
Submitted to the draft. |
| 4 |
23 |
Continued as Dolphin Military (Underwater Commando). |
| 4 |
26 |
Receive special training in underwater mine disposal. |
| 5 |
27 |
Continued as Dolphin Military (Underwater Commando). |
| 5 |
30 |
An investigation uncovers links between Sybil Chambers's unit’s commander and a radical faction. |