| 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 |
Receive special training in underwater mine disposal. |
| 1 |
16 |
Attempt at commissioned failed. |
| 1 |
16 |
Promoted to Dolphin Military (Guardian) rank 1. |
| 2 |
16 |
Continued as Dolphin Military (Guardian). |
| 2 |
20 |
Participate in a major sea battle |
| 2 |
20 |
Promoted to Dolphin Military (Guardian) rank 2. |
| 3 |
20 |
Continued as Dolphin Military (Guardian). |
| 3 |
22 |
A brutal amphibious warfare campaign forces Roland Silva to spend as much time fighting out of water as in. |
| 3 |
24 |
Promoted to Dolphin Military (Guardian) rank 3. |
| 4 |
24 |
Attempted to change assignments. |
| 4 |
24 |
Failed to qualify for Sea Patrol (Dolphin Military). |
| 4 |
24 |
Continued as Dolphin Military (Guardian). |
| 4 |
25 |
Receive special training in underwater mine disposal. |
| 4 |
28 |
Promoted to Dolphin Military (Guardian) rank 4. |