| Term |
Age |
History |
|---|
| 1 |
12 |
Entered Military Academy(Dolphin Military Academy) |
| 1 |
16 |
Graduated with honors. |
| 2 |
16 |
Became a Dolphin Military (Underwater Commando) with the new title Private. |
| 2 |
16 |
Commissioned in Dolphin Military (Underwater Commando) with the new title Lieutenant. |
| 2 |
19 |
A mission goes badly wrong when a human leader disregards Cassandra Wade's advice because Cassandra Wade is ‘just a Dolphin’ and then blames Cassandra Wade for their mistake. Cassandra Wade try and fail to prove Cassandra Wade's innocence. |
| 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 |
23 |
Receive special training in underwater mine disposal. |
| 3 |
24 |
Promoted to Dolphin Military (Underwater Commando) officer rank 3 with the new title Major. |