He and his people had more than they could do in simply trying to protect their own ships.

He can also protect the Duke's two ships and a few others, but no more.

In the past the marines have protected ships at sea.

That's why I needed you to protect my ships last night!

This can also be applied to protect other ships.

However those orders did not always protect Irish ships.

This force was to protect Turner's ships and provide gunfire support for the landings.

"They must know that we will protect our ships, and if they threaten us, they'll pay a price," he said.

They can also be used defensively, to protect friendly ships and create "safe" zones.

They need to be where they can protect their own ships.