guerrilla war

Another plausible and perhaps less risky measure: help prepare Ukrainians for guerrilla war against an invading Russian force.

Indeed, the Sinai has been reduced to a state of conflict almost like guerrilla war.

A two-year guerrilla war, led by the Maccabees, followed and ended in victory for the Jews.

Before dealing with the subsequent progress of the "guerrilla war," we may turn aside for a moment to other developments overseas.

This seems to have given the main body of Boers an idea that the Bakwains meant to begin a guerrilla war upon them.

I think you ought to send your friends back East—and go with them, until this guerrilla war is over.

Guerrilla war (always successful, as history shows) directly infringes that rule.