Numbers 31:3

And immediately Moses said: "Arm the men among you for a battle, so that they may be able to fulfill the retribution of the Lord on the Midianites

Other versions

King James Version

And Moses spake unto the people, saying, Arm some of yourselves unto the war, and let them go against the Midianites, and avenge the LORD of Midian.

English Standard Version

So Moses spoke to the people, saying, "Arm men from among you for the war, that they may go against Midian to execute the LORD's vengeance on Midian.

New International Version

So Moses said to the people, "Arm some of your men to go to war against the Midianites and to carry out the LORD's vengeance on them.