| Term |
Age |
History |
|---|
| 1 |
12 |
Failed to qualify for Guardian (Dolphin Military). |
| 1 |
12 |
Became a Dolphin Civilian (Nomad). |
| 1 |
16 |
A war or insurgency erupts on Zella McRae's world. Zella McRae is drafted into the military. |
| 1 |
16 |
Promoted to Dolphin Civilian (Nomad) rank 1. |
| 2 |
16 |
Became a Dolphin Military (Underwater Commando) with the new title Private. |
| 2 |
17 |
Injured. Fully recovered. |
| 3 |
17 |
Became a Army (Cavalry). |
| 3 |
19 |
Advanced training in a specialist field |
| 3 |
21 |
Promoted to Army (Cavalry) rank 1 with the new title Lance Corporal. |
| 4 |
21 |
Continued as Army (Cavalry). |
| 4 |
24 |
Good fortune |
| 4 |
25 |
Promoted to Army (Cavalry) rank 2 with the new title Corporal. |
| 5 |
25 |
Voluntarily left Cavalry |
| 5 |
25 |
Returned to Dolphin Civilian (Nomad). |
| 5 |
27 |
Zella McRae fail a dangerous mission to rescue people in a sinking vessel or underwater city. |
| 5 |
29 |
Promoted to Dolphin Civilian (Nomad) rank 2 with the new title Pod Leader. |
| 6 |
29 |
Continued as Dolphin Civilian (Nomad). |
| 6 |
31 |
Spend an extensive period living out of water among humans. |
| 6 |
33 |
Promoted to Dolphin Civilian (Nomad) rank 3. |