Louis Brandeis

“ The military force of the United States is, and always has been, a unit, although divided for purposes of administration into several branches; and there is nothing in the land grant acts to indicate an intention on the part of Congress to differentiate between the several branches in respect to transportation charges. We are of opinion that the term 'troops' is not confined to land forces, and that it includes men and officers in every branch. ”

“ But to its primary function of an armed police force some characteristics of a military force had always been attached; and from time to time Congress had conferred upon it additional incidents of the military service. [1] See 28 Op. Attys. Gen. ”