| Term |
Age |
History |
|---|
| 1 |
12 |
Failed to qualify for Army Academy (Military Academy). |
| 1 |
12 |
Became a Dolphin Civilian (Nomad). |
| 1 |
13 |
An accident leaves Myles Armstrong caught on land without a travel suit. Myles Armstrong suffer serious dehydration and
require lengthy hospitalization. |
| 2 |
13 |
Became a Dolphin Military (Underwater Commando) with the new title Private. |
| 2 |
16 |
Receive special training in underwater mine disposal. |
| 2 |
17 |
Promoted to Dolphin Military (Underwater Commando) rank 1 with the new title Lance Corporal. |
| 3 |
17 |
Continued as Dolphin Military (Underwater Commando). |
| 3 |
18 |
A brutal amphibious warfare campaign forces Myles Armstrong to spend as much time fighting out of water as in. |
| 3 |
21 |
Forced to continue current assignment |
| 3 |
21 |
Promoted to Dolphin Military (Underwater Commando) rank 2 with the new title Corporal. |