Bible Verses About Armies: Who of the Israelites were subject to service in

Take ye the summe of all the Congregation of the children of Israel, after their families, and housholdes of their fathers with the nomber of their names: to wit, all the males, man by man:

From twentie yere olde and aboue, all that go forth to the warre in Israel, thou and Aaron shall number them, throughout their armies.