| Term |
Age |
History |
|---|
| 1 |
12 |
Failed to qualify for Dolphin Military Academy (Military Academy). |
| 1 |
12 |
Submitted to the draft. |
| 1 |
12 |
Became a Dolphin Military (Guardian). |
| 1 |
16 |
Commanding officer takes an interest in Mamie Keiler's career. |
| 1 |
16 |
Promoted to Dolphin Military (Guardian) rank 1. |
| 2 |
16 |
Attempted to change assignments. |
| 2 |
16 |
Switched to Dolphin Military (Underwater Commando) with the new title Lance Corporal and previous rank. |
| 2 |
18 |
Spend a lengthy period serving as an auxiliary aboard a spacecraft operating underwater, such
as a system defence boat. |