warship
war vessel
combat ship

The alien spaceship is revealed to be a war vessel.

It was necessary, however, to wait a month longer for the war vessels.

This was reported as the first transatlantic trip of a Greek war vessel.

Those were used in space and the Hawvins employed them on major war vessels.

The Russian base is getting the attention of planes from a large war vessel.

Though the model looked like a war vessel, it carried no guns.

It is used as the launch of major war vessels.

He wondered that the military men in the war vessels had not noticed this lack.

"Why should a peaceful nation support a war vessel?"

Rodgers knew, as his colleague did not, the characteristics that would be required for a successful war vessel.