Training was not limited to naval officers but also for merchant mariners too.

Coast Guard training of merchant mariners was vital to winning the war.

Also, many merchant mariners would make do with a deck chronometer at half the price.

Over time, conditions on the island were deemed inadequate to teach modern merchant mariners.

Four ships were sunk and 70 merchant mariners lost their lives:

Mexico lost 7 merchant ships and 63 dead merchant mariners.

Although merchant mariners try to avoid severe storms while at sea, working in damp and cold conditions is inevitable.

As a young man Daye was a merchant mariner.

Alec tries to intervene and is knocked to the ground by a merchant mariner.

Cuba lost 5 merchant ships and 79 dead merchant mariners.