Revelation 6:15-16

the rich men, the chief captains, and the mighty men, every bond-man, and every free-man, bid themselves in the caverns, and in the rocks of the mountains; and said to the mountains, and to the rocks,

Revelation 9:9

they were vested with breast-plates, as it were of iron; and the sound of their wings was like the sound of chariots and many horses running to battle.

Treasury of Scripture Knowledge

Summary

For the Lord had made the host of the Syrians to hear a noise of chariots, and a noise of horses, even the noise of a great host: and they said one to another, Lo, the king of Israel hath hired against us the kings of the Hittites, and the kings of the Egyptians, to come upon us.

Bible References

The lord

Revelation 6:15
the rich men, the chief captains, and the mighty men, every bond-man, and every free-man, bid themselves in the caverns, and in the rocks of the mountains; and said to the mountains, and to the rocks,
Revelation 9:9
they were vested with breast-plates, as it were of iron; and the sound of their wings was like the sound of chariots and many horses running to battle.