Nine merchant vessels were close enough to have been involved.
On the other had, she also captured many American merchant vessels, most of them small.
One estimate gives the total number of people lost on the merchant vessels as 40.
"Now, bring me the file on the merchant vessels available."
At the age of 16, he became a cabin boy on an English merchant vessel.
Guardian had been designed and built as a merchant vessel.
Miles raised the ships, planning on using them as merchant vessels.
Soon he rose to the rank of officer on merchant vessels.
I've spent most of my time since on merchant vessels.
There, he was employed as a cook on merchant vessels.