Numbers 10:22
And the standard of the camp of the children of Ephraim set forward according to their armies: and over his host was Elishama the son of Ammihud. And the standard of the camp of the children of Ephraim set forward according to their armies: and over his host was Elishama the son of Ammihud.
Israel marched in a fixed and appointed order rather than by confusion or impulse. Each tribe moved as a separate body beneath its own identifying standard. The camp of Ephraim formed one such division and took its appointed place in the forward movement. Its setting out was military in character, arranged by its organized hosts for orderly advance.