But we ourselves will go ready armed before the children 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.
Numbers 32:29-32
29
And Moses said unto them, If the children of Gad and the children of Reuben will pass with you over Jordan, every man armed to battle, before the LORD, and the land shall be subdued before you; then ye shall give them the land of Gilead for a possession:
30
But if they will not pass over with you armed, they shall have possessions among you in the land of Canaan.
31
And the children of Gad and the children of Reuben answered, saying, As the LORD hath said unto thy servants, so will we do.
32
We will pass over armed before the LORD into the land of Canaan, that the possession of our inheritance on this side Jordan may be ours.
Deuteronomy 3:18-20
18
And I commanded you at that time, saying, The LORD your God hath given you this land to possess it: ye shall pass over armed before your brethren the children of Israel, all that are meet for the war.
19
But your wives, and your little ones, and your cattle, (for I know that ye have much cattle,) shall abide in your cities which I have given you;
20
Until the LORD have given rest unto your brethren, as well as unto you, and until they also possess the land which the LORD your God hath given them beyond Jordan: and then shall ye return every man unto his possession, which I have given you.
Joshua 4:12
And the children of Reuben, and the children of Gad, and half the tribe of Manasseh, passed over armed before the children of Israel, as Moses spake unto them:
Joshua 4:13
About forty thousand prepared for war passed over before the LORD unto battle, to the plains of Jericho.