Numbers 32:17
but we ourselves will go arm ourselves and go with diligence before the sons of Israel until we have brought them unto their place, and our little ones shall dwell in the fenced cities because of the inhabitants of the land.
Joshua 4:12-13
And the sons of Reuben and the sons of Gad and half the tribe of Manasseh passed armed before the sons of Israel, as Moses had said unto them.
Numbers 32:29-32
And Moses said unto them, If the sons of Gad and the sons of Reuben will pass the Jordan with you, each one armed to battle, before the LORD, after 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, The LORD your God has given you this land to possess it; ye shall pass armed before your brethren, the sons of Israel, all that are valiant.