With concerns for the injured man, the sub left her patrol zone a day early to return to Midway.

A home port was chosen by the player, then a patrol zone.

A place where he might settle down to watch his assigned patrol zone in peace.

The city is divided into 3 districts, each with 5 patrol zones.

This can be referred to as the patrol zone.

It now has about 260 officers operating in seven patrol zones.

Getting to the patrol zone is a milk run.

Climber missions don't last long once the ship reaches its patrol zone.

This fly, deep into the patrol zone, is sandpapering nerve ends.

I think this is our forty-third day in the patrol zone.