| Term |
Age |
History |
|---|
| 1 |
12 |
Failed to qualify for Dolphin Military Academy (Military Academy). |
| 1 |
12 |
Submitted to the draft. |
| 1 |
12 |
Became a Dolphin Military (Underwater Commando) with the new title Private. |
| 1 |
14 |
A brutal amphibious warfare campaign forces Percival Barrett to spend as much time fighting out of water as in. |
| 1 |
16 |
Commissioned in Dolphin Military (Underwater Commando) with the new title Lieutenant. |
| 2 |
16 |
Continued as Dolphin Military (Underwater Commando). |
| 2 |
18 |
Percival Barrett encounter anti-Dolphin prejudice from the force Percival Barrett is working with. Percival Barrett resign in disgust. |
| 3 |
18 |
Became a Dolphin Civilian (Liaison). |
| 3 |
19 |
A war or insurgency erupts on Percival Barrett's world. Percival Barrett is drafted into the military. |
| 4 |
19 |
Switched to Dolphin Military (Sea Patrol) with previous rank. |
| 4 |
23 |
Good fortune |
| 4 |
23 |
Forced to continue current assignment |
| 4 |
23 |
Promoted to Dolphin Military (Sea Patrol) officer rank 2 with the new title Captain. |