The Vaffas conducted a constant patrol for evidence of someone trying to build a rocket drive or a radio.

The private portion is under constant patrol by police or army personnel.

The walls had no footholds of any sort; anyway, there were four more agents on constant patrol.

The city streets had guards on constant patrol at night.

Their constant patrol could mean that they were waiting until Lason's guests had left.

Inside the building, both uniformed and plainclothes security officers are on constant patrol.

The Hierarchy made constant patrols of the area because deaths were inevitable.

They had nothing to do with the work in progress but maintained a constant patrol throughout the base.

A security zone of 1.5 square miles surrounding the terminal with constant patrols would be established.

That he no longer had to be on constant patrol.