Numbers 32:17
but we ourselves will go with diligence armed before the children of Israel, until we have brought them to their place; and our little ones shall dwell in the strong cities because of the inhabitants 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 in array before the children of Israel, as Moses had spoken to them.
Numbers 32:29-32
And Moses said unto them, If the children of Gad and the children of Reuben pass with you over the Jordan, every one armed for battle, before Jehovah, and the land be subdued before you, then ye shall give them the land of Gilead for a possession;
Deuteronomy 3:18-20
And I commanded you at that time, saying, Jehovah your God hath given you this land to take possession of it: ye shall pass over armed before your brethren the children of Israel, all who are combatants.