'War' in the Bible

Let the horn be sounded in Zion, and a war-cry in my holy mountain; let all the people of the land be troubled: for the day of the Lord is coming;

They bound on the tops of the mountains.Their sound is like the sound of chariots,like the sound of fiery flames consuming stubble,like a mighty army deployed for war.

They shall run like mighty men; they shall climb the wall like men of war; and they shall march every one on his ways, and they shall not break their ranks:

Proclaim ye this among the Gentiles; Prepare war, wake up the mighty men, let all the men of war draw near; let them come up: