Numbers 32:17
But we ourselves will be ready armed to go before the children of Israel till we have taken them to their place: but our little ones will be safe in the walled towns against the people of the land.
Joshua 4:12-13
And the children of Reuben and the children of Gad and the half-tribe of Manasseh went over armed before the children of Israel as Moses had said to them:
Numbers 32:29-32
And Moses said to them, If the children of Gad and the children of Reuben go with you over Jordan, every man armed for the fight before the Lord, and all the land is given into your hands, then let them have the land of Gilead for a heritage:
Deuteronomy 3:18-20
At that time I gave you orders, saying, The Lord has given you this land for your heritage: all the men of war are to go over armed before your brothers the children of Israel.