We lobbed a plasma weapon of some sort in their general direction.

For example, plasma weapons need time to cool if fired too rapidly, but require no reloading.

But plasma weapons didn't take up that much room, so Kirk doubted that was the case.

As practiced before, the troops moved out, plasma weapons first.

How can I cut control to the long-range plasma weapons so you can't get it back for an hour and a half?

The small turret above the bow held a plasma weapon.

First, notice that they're using conventional and rather weak plasma weapons.

The plasma weapons are ready to go, and can be installed in all our military vessels.

First Defensor, begin implementation of the plasma weapons and prepare a battle plan.

The other ship never had the chance to fire its plasma weapon.