It demonstrates perhaps better than any other, the changes in medieval military fortification.

The book was influential in shaping the British view of military fortification.

In later years, it was used as a military fortification and the British placed a strong garrison here.

His main job was as an expert on military fortifications.

The area still contains several historical buildings and military fortifications.

The Russian military fortifications from that time still survive throughout the town.

There are a number of derelict military fortifications on the peninsula.

Either way, it would be the oldest military fortification known to exist in Manhattan.

The new castle needed constant investment in order to maintain its quality as a military fortification.

Each landowner had to decide what would happen with the military fortifications on their property.