| Term |
Age |
History |
|---|
| 1 |
12 |
Became a Dolphin Civilian (Nomad). |
| 1 |
15 |
Oswald Heriot is accidently trapped or shot by fishermen. |
| 2 |
15 |
Became a Dolphin Military (Sea Patrol) with the new title Private. |
| 2 |
16 |
Commanding officer takes an interest in Oswald Heriot's career. |
| 3 |
19 |
Continued as Dolphin Military (Sea Patrol). |
| 3 |
23 |
An ambitious planetary operation goes badly wrong leaving Oswald Heriot beached ashore without functional protective gear. Dehydration and skin damage requires lengthy recovery. |
| 4 |
23 |
Continued as Dolphin Military (Sea Patrol). |
| 4 |
26 |
Spend a lengthy period serving as an auxiliary aboard a spacecraft operating underwater, such
as a system defence boat. |