| Term |
Age |
History |
|---|
| 1 |
12 |
Failed to qualify for Underwater Commando (Dolphin Military). |
| 1 |
12 |
Submitted to the draft. |
| 1 |
12 |
Became a Dolphin Military (Guardian). |
| 1 |
13 |
A brutal amphibious warfare campaign forces Charlie Nelson to spend as much time fighting out of water as in. |
| 1 |
16 |
Promoted to Dolphin Military (Guardian) rank 1. |
| 2 |
16 |
Continued as Dolphin Military (Guardian). |
| 2 |
18 |
Spend a lengthy period serving as an auxiliary aboard a spacecraft operating underwater, such
as a system defence boat. |
| 2 |
20 |
Promoted to Dolphin Military (Guardian) rank 2. |
| 3 |
20 |
Continued as Dolphin Military (Guardian). |
| 3 |
22 |
Receive special training in underwater mine disposal. |
| 4 |
24 |
Attempted to change assignments. |
| 4 |
24 |
Failed to qualify for Sea Patrol (Dolphin Military). |
| 4 |
24 |
Continued as Dolphin Military (Guardian). |
| 4 |
28 |
Spend a lengthy period serving as an auxiliary aboard a spacecraft operating underwater, such
as a system defence boat. |
| 4 |
28 |
Promoted to Dolphin Military (Guardian) rank 3. |
| 5 |
28 |
Continued as Dolphin Military (Guardian). |
| 5 |
31 |
Receive special training in underwater mine disposal. |
| 5 |
32 |
Forced to muster out. |
| 6 |
32 |
Became a Marine (Marine Support) with the new title Marine. |
| 6 |
36 |
Assigned to the security staff of a space station. |
| 7 |
36 |
Attempted to change assignments. |
| 7 |
36 |
Failed to qualify for Star Marine (Marine). |
| 7 |
36 |
Continued as Marine (Marine Support). |
| 7 |
38 |
Display heroism in battle. |
| 7 |
40 |
Commissioned in Marine (Marine Support) with the new title Lieutenant. |
| 7 |
40 |
Promoted to Marine (Marine Support) officer rank 2 with the new title Captain. |