Numbers 32:17
but we ourselves will be ready armed to go before the children of Israel, until we have brought them unto their place: and our little ones shall dwell in the fortified 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, passed over armed before the children of Israel, as Moses spake unto them:
Numbers 32:29-32
And Moses said unto them, If the children of Gad and the children of Reuben will pass with you over the Jordan, every man that is armed to battle, before Jehovah, and the land shall 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 possess it: ye shall pass over armed before your brethren the children of Israel, all the men of valor.