The island's steep and rocky edges made it an ideal defensive outpost.

The Old Town of Visoki had the main function to serve as a defensive outpost.

Its high position and the arrowslits on the north wall made the church suitable as a defensive outpost.

A powerful defensive outpost, Rochester Castle was an important royal stronghold for hundreds of years.

We're taking out the defensive outposts as we come to them and working north.

On their way south, they eliminated a small defensive outpost on the village of Barreta.

The first settlers were probably warriors establishing a defensive outpost against Aztec invaders.

The commander oversees the building of defensive outposts and research sites that are used to create new weapon types.

It's too far from earth to be of use as a defensive or offensive outpost.

It was founded in 1666 as a defensive military outpost against nomadic raids.