| Term |
Age |
History |
|---|
| 1 |
18 |
Became a Merchant (Merchant Marine) with the new title Crewman. |
| 1 |
22 |
Given advanced training in a specialist field |
| 1 |
22 |
Promoted to Merchant (Merchant Marine) rank 1 with the new title Senior Crewman. |
| 2 |
22 |
Continued as Merchant (Merchant Marine). |
| 2 |
26 |
Promoted to Merchant (Merchant Marine) rank 2 with the new title 4th Officer. |
| 3 |
26 |
Continued as Merchant (Merchant Marine). |
| 3 |
30 |
Promoted to Merchant (Merchant Marine) rank 3 with the new title 3rd Officer. |
| 4 |
30 |
Voluntarily left Merchant Marine |
| 4 |
30 |
Became a Scholar (Physician). |
| 4 |
31 |
Assigned to work on a secret project for a patron or organisation. |