| Term |
Age |
History |
|---|
| 1 |
12 |
Became a Dolphin Military (Underwater Commando) with the new title Private. |
| 1 |
13 |
Receive special training in underwater mine disposal. |
| 1 |
16 |
Attempt at commissioned failed. |
| 2 |
16 |
Continued as Dolphin Military (Underwater Commando). |
| 2 |
18 |
Participate in a major sea battle |
| 3 |
20 |
Continued as Dolphin Military (Underwater Commando). |
| 3 |
21 |
Nearly killed. |
| 4 |
21 |
Failed to qualify for Infantry (Army). |
| 4 |
21 |
Submitted to the draft. |
| 4 |
21 |
Switched to Dolphin Military (Sea Patrol) with previous rank. |
| 4 |
24 |
A brutal amphibious warfare campaign forces Nat May to spend as much time fighting out of water as in. |
| 4 |
25 |
Promoted to Dolphin Military (Sea Patrol) rank 1 with the new title Lance Corporal. |