The Spanish, with their resources stretched thin, were increasingly unable to cope with the growing naval threats.

There were two principal perceived German naval threats.

The naval threat to Australia increased dramatically following the outbreak of war in the Pacific.

During the 19th century China also built hundreds of coastal fortresses in an attempt to counter Western naval threats.

The Stukas were called upon to deal with the British naval threat.

In the absence of any naval threat, their duties mostly involved patrolling and transport duties.

They would have to contend with the naval threats, too.

During the early centuries of its existence, Constantinople faced few naval threats.

The Spanish were simply no longer able to cope with naval threats.

But the best of his Heroes he intended to hold back and discipline into a real naval threat.