use them at first. He would have nothing but Cavalry to rely upon for information."[1]
Doubtless I shall be reminded that Sir John French spoke before the dawn of the aeroplane age, and that the Germans would rely not only upon Cavalry, but upon a body of airmen for information.
That the hypothetical invading Army will be equipped with aeroplanes I do not question, but, in view of their frailness and their dependence on weather conditions, no sensible commander will rely solely upon them for information[2]; and scouting to discover the enemy is only one of the objects for which Cavalry are needed: screening the Army so as to secure it against surprise is also one of their functions, and yet another, the collection of supplies; and, bring with them what they may, the
