| Term |
Age |
History |
|---|
| 1 |
12 |
Failed to qualify for Naval Academy (Military Academy). |
| 1 |
12 |
Became a Dolphin Civilian (Nomad). |
| 1 |
16 |
An accident leaves Dan Marshall caught on land without a travel suit. Dan Marshall suffer serious dehydration and
require lengthy hospitalization. |
| 2 |
16 |
Became a Dolphin Military (Underwater Commando) with the new title Private. |
| 2 |
18 |
Participate in a major sea battle |
| 2 |
20 |
Commissioned in Dolphin Military (Underwater Commando) with the new title Lieutenant. |
| 2 |
20 |
Promoted to Dolphin Military (Underwater Commando) officer rank 2 with the new title Captain. |
| 3 |
20 |
Continued as Dolphin Military (Underwater Commando). |
| 3 |
21 |
Participate in a major sea battle |
| 3 |
24 |
Promoted to Dolphin Military (Underwater Commando) officer rank 3 with the new title Major. |
| 4 |
24 |
Continued as Dolphin Military (Underwater Commando). |
| 4 |
27 |
Receive special training in underwater mine disposal. |
| 4 |
28 |
Promoted to Dolphin Military (Underwater Commando) officer rank 4 with the new title Lt. Colonel. |
| 5 |
28 |
Attempted to change assignments. |
| 5 |
28 |
Switched to Dolphin Military (Sea Patrol) with previous rank. |
| 5 |
30 |
Participate in a major sea battle |
| 5 |
32 |
Promoted to Dolphin Military (Sea Patrol) officer rank 5 with the new title Colonel. |
| 6 |
32 |
Continued as Dolphin Military (Sea Patrol). |
| 6 |
35 |
A brutal amphibious warfare campaign forces Dan Marshall to spend as much time fighting out of water as in. |
| 6 |
36 |
Promoted to Dolphin Military (Sea Patrol) officer rank 6 with the new title General. |