Revelation 9:9

Weymouth NT

They had breast-plates which seemed to be made of steel; and the noise caused by their wings was like that of a vast number of horses and chariots hurrying into battle.

Cross References

Revelation 9:17

And this was the appearance of the horses which I saw in my vision–and of their riders. The body-armour of the riders was red, blue and yellow; and the horses' heads were shaped like the heads of lions, while from their mouths there came fire and smoke and sulphur.