| Term |
Age |
History |
|---|
| 1 |
12 |
Became a Dolphin Civilian (Liaison). |
| 1 |
13 |
Nathaniel McLean is accidently trapped or shot by fishermen. |
| 2 |
13 |
Became a Dolphin Military (Guardian). |
| 2 |
15 |
Spend a lengthy period serving as an auxiliary aboard a spacecraft operating underwater, such
as a system defence boat. |
| 3 |
17 |
Attempted to change assignments. |
| 3 |
17 |
Failed to qualify for Underwater Commando (Dolphin Military). |
| 3 |
17 |
Continued as Dolphin Military (Guardian). |
| 3 |
19 |
Display heroism in battle. |
| 3 |
21 |
Promoted to Dolphin Military (Guardian) rank 1. |
| 4 |
21 |
Continued as Dolphin Military (Guardian). |
| 4 |
25 |
A brutal amphibious warfare campaign forces Nathaniel McLean to spend as much time fighting out of water as in. |
| 5 |
25 |
Continued as Dolphin Military (Guardian). |
| 5 |
27 |
Spend a lengthy period serving as an auxiliary aboard a spacecraft operating underwater, such
as a system defence boat. |
| 5 |
29 |
Forced to muster out. |