Revelation 9:9

American Standard Version 2015

And they had breastplates, as it were breastplates of iron; and the sound of their wings was as the sound of chariots, of many horses rushing to war.

Cross References

Revelation 9:17

And thus I saw the horses in the vision, and them that sat on them, having breastplates {\i as} of fire and of hyacinth and of brimstone: and the heads of the horses are as the heads of lions; and out of their mouths proceedeth fire and smoke and brimstone.

Job 40:18

His bones are {\i as} tubes of brass;\par\tab His limbs are like bars of iron.\par

Job 39:25

As oft as the trumpet {\i soundeth} he saith, Aha!\par\tab And he smelleth the battle afar off,\par\tab The thunder of the captains, and the shouting.\par

Isaiah 9:5

For all the armor of the armed man in the tumult, and the garments rolled in blood, shall be for burning, for fuel of fire.

Jeremiah 47:3

At the noise of the stamping of the hoofs of his strong ones, at the rushing of his chariots, at the rumbling of his wheels, the fathers look not back to their children for feebleness of hands;