| Term |
Age |
History |
|---|
| 1 |
18 |
Became a Merchant (Merchant Marine) with the new title Crewman. |
| 1 |
19 |
Johnie Thompkins's business or ship thrives. |
| 1 |
22 |
Promoted to Merchant (Merchant Marine) rank 1 with the new title Senior Crewman. |
| 2 |
22 |
Continued as Merchant (Merchant Marine). |
| 2 |
23 |
Given advanced training in a specialist field |
| 2 |
26 |
Promoted to Merchant (Merchant Marine) rank 2 with the new title 4th Officer. |
| 3 |
26 |
Continued as Merchant (Merchant Marine). |
| 3 |
30 |
Given advanced training in a specialist field |
| 4 |
30 |
Continued as Merchant (Merchant Marine). |
| 4 |
33 |
A good deal ensures Johnie Thompkins is living the high life for a few years. |
| 4 |
34 |
Promoted to Merchant (Merchant Marine) rank 3 with the new title 3rd Officer. |
| 5 |
34 |
Continued as Merchant (Merchant Marine). |
| 5 |
37 |
Given advanced training in a specialist field |
| 5 |
38 |
Promoted to Merchant (Merchant Marine) rank 4 with the new title 2nd Officer. |