'Army' in the Bible

You and Aaron are to register those who are 20 years old or more by their military divisions—everyone who can serve in Israel’s army.

The descendants of Reuben, the firstborn of Israel: according to their family records by their clans and their ancestral houses, counting one by one the names of every male 20 years old or more, everyone who could serve in the army,

The descendants of Simeon: according to their family records by their clans and their ancestral houses, those registered counting one by one the names of every male 20 years old or more, everyone who could serve in the army,

The descendants of Gad: according to their family records by their clans and their ancestral houses, counting the names of those 20 years old or more, everyone who could serve in the army,

The descendants of Judah: according to their family records by their clans and their ancestral houses, counting the names of those 20 years old or more, everyone who could serve in the army,

The descendants of Issachar: according to their family records by their clans and their ancestral houses, counting the names of those 20 years old or more, everyone who could serve in the army,

The descendants of Zebulun: according to their family records by their clans and their ancestral houses, counting the names of those 20 years old or more, everyone who could serve in the army,

The descendants of Joseph: The descendants of Ephraim: according to their family records by their clans and their ancestral houses, counting the names of those 20 years old or more, everyone who could serve in the army,

The descendants of Manasseh: according to their family records by their clans and their ancestral houses, counting the names of those 20 years old or more, everyone who could serve in the army,

The descendants of Benjamin: according to their family records by their clans and their ancestral houses, counting the names of those 20 years old or more, everyone who could serve in the army,

The descendants of Dan: according to their family records by their clans and their ancestral houses, counting the names of those 20 years old or more, everyone who could serve in the army,

The descendants of Asher: according to their family records by their clans and their ancestral houses, counting the names of those 20 years old or more, everyone who could serve in the army,

The descendants of Naphtali: according to their family records by their clans and their ancestral houses, counting the names of those 20 years old or more, everyone who could serve in the army,

So all the Israelites 20 years old or more, everyone who could serve in Israel’s army, were registered by their ancestral houses.

But Sihon would not let Israel travel through his territory. Instead, he gathered his whole army and went out to confront Israel in the wilderness. When he came to Jahaz, he fought against Israel.

Then they turned and went up the road to Bashan, and Og king of Bashan came out against them with his whole army to do battle at Edrei.

But the Lord said to Moses, “Do not fear him, for I have handed him over to you along with his whole army and his land. Do to him as you did to Sihon king of the Amorites, who lived in Heshbon.”

So they struck him, his sons, and his whole army until no one was left, and they took possession of his land.

“Take a census of the entire Israelite community by their ancestral houses of those 20 years old or more who can serve in Israel’s army.”

The captives remaining from the plunder the army had taken totaled:675,000 sheep and goats,

The officers who were over the thousands of the army, the commanders of thousands and of hundreds, approached Moses