Revelation 9:9

English Standard Version

9 they had breastplates like breastplates of iron, and the noise of their wings was like the noise of many chariots with horses rushing into battle. (Job 39:21; Jer 8:6; Joe 2:5)

New International Version

9 They had breastplates like breastplates of iron, and the sound of their wings was like the thundering of many horses and chariots rushing into battle.

New International Reader’s Version

9 Their chests were covered with something that looked like armour made out of iron. The sound of their wings was like the thundering of many horses and chariots rushing into battle.

King James Version

9 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 running to battle.