In the last few years he and Augustus had been the twin mainstays of frontier defense.

And, as the very first step, they had to break its frontier defenses and annihilate a sizable chunk of its navy in the process.

Its strategic location along the Missouri River made it a key fort in two lines of western frontier defense.

A reorganization of frontier defenses in 1775 resulted in the transfer of the garrison.

Belgium had neglected her army, frontier defenses, fortresses, anything that implied lack of confidence in the protective treaty.

The second article discussed greater integration of frontier defenses, while the third article announced greater co-operation between General Staffs.

Savannah Town became important to the growing colony for its profitable Indian trade, and for frontier defense.

At the time of its creation, the march served as a frontier defense against the Kingdoms of Hungary and Croatia.

In the very late Empire the frontiers became even more elastic, with little effort expended in maintaining frontier defense.

At the beginning of the period the Time of Troubles disorganized the frontier defenses and led to much destruction.