I know how they usually work guard duty in the military.

Put only men who are not going with us on guard duty.

A few weeks later he was again on guard duty.

He was still on guard duty, though that wasn't his chief reason for being here.

I got a gun and took over guard duty while the other men went back to bed.

The man set out on guard duty the night before was missing.

"Why not just post them on guard duty for two days?"

We make them earn their keep by doing guard duty.

And naturally some would be on guard duty over you.

But if there's just animals, why's the major got us out on guard duty?

"How are your men taking to guard duty here at night?"

He was not going to have his ship assigned to guard duty anywhere.

Their most important assignment was to guard duty, which fell to the lot of each soldier once in every four days.

A single uniformed cop had been left to guard duty in front of the building.

Young soldiers told of being assigned to guard duty on nights when there were parties.

Large numbers of Union soldiers throughout the war were assigned to guard duty and, while always ready for action, seldom saw any fighting.

Those not called to guard duty spread out into a line that ran from one edge of the steading to the other.

The lieutenant gave them guard duty around the maintenance hangar.

He was always volunteering for stuff that the rest of us wouldn't want to do, guard duties, classes on the weekend.

Roddie was welcome to guard duty if that's all he was good for.