Small units patrolled every road by which the Yankees might advance.

In the aftermath, anti-riot units patrolled other likely flashpoints, detaining around 2,000 people, many armed with knives, clubs and other weapons.

One unit patrolled railroad lines on specially constructed tandem bicycles that were fixed to the rails.

The unit was tasked with protecting the border and railroads as other units patrolled the vast border that separated the United States and Mexico.

A second citywide unit, the tactical patrol force, patrolled high-crime neighborhoods in the evening and could be mobilized for demonstrations as well.

When the anticrime unit patrolled the streets, crime statistics were parsed monthly, making the tracking of criminal patterns almost pointless.

The unit here patrolled the three passes into Noram that were passable in winter and did the occasional bit of mountain search and rescue.

Steele's most daring unit, Charlie Company, patrolled the area.

One unit patrolled the Outer City, while another patrolled the Inner.

During the Revolution, which began in 1910, American military units patrolled some border points and occupied some parts of northern Mexico.