Deuteronomy 3:18
“Then I commanded you [Reuben, Gad, and the half-tribe of Manasseh] at that time, saying, ‘The Lord your God has given you this land to possess; all you who are brave men shall cross over [the Jordan] armed before your brothers, the sons of Israel.
Joshua 4:12-13
The sons of Reuben and the sons of Gad and half the tribe of Manasseh crossed over armed for battle before the [other] sons of Israel, just as Moses had spoken to them;
Numbers 32:20-24
Moses replied, “If you will do as you say, if you will arm yourselves before the Lord for war,
Joshua 1:12-15
To the Reubenites and to the Gadites and to the half-tribe of Manasseh, Joshua said,
Joshua 22:1-9
Then Joshua called the Reubenites and the Gadites and the half-tribe of Manasseh,