“When you enter into battle in your land against an adversary who is attacking you, sound short blasts on the trumpets, and you will be remembered before the Lord your God and be delivered from your enemies.

Then they turned and went up the road to Bashan, and Og king of Bashan came out against them with his whole army to do battle at Edrei.

Then Eleazar the priest said to the soldiers who had gone to battle, “This is the legal statute the Lord commanded Moses:

Moses replied to them, “If you do this—if you arm yourselves for battle before the Lord,

but your servants are equipped for war before the Lord and will go across to the battle as my lord orders.”

Moses told them, “If the Gadites and Reubenites cross the Jordan with you, every man in battle formation before the Lord, and the land is subdued before you, you are to give them the land of Gilead as a possession.

But if they don’t go across with you in battle formation, they must accept land in Canaan with you.”

We will cross over in battle formation before the Lord into the land of Canaan, but we will keep our hereditary possession across the Jordan.”