All messages will be duplicated by a second means of transmission.
Two pigeons will be carried by D Company and two by A Company, moving in the leading wave.
Second Lieutenant Whitehurst will be responsible for:—
(a) Laying a wire from Battalion Headquarters to Brigade forward station at Pond Farm, and from Battalion Headquarters to Battalion forward command post.
(b) Establishing visual between Battalion Headquarters and Battalion forward command post about D 13 central, if practicable.
(c) Establishing relay runner posts about D 13 c 2 6, D 13 d 1 6, and Keir Farm.
Oblique Aeroplane Photograph showing our objectives in the Battle of the MENIN ROAD—(Contrast the condition of the foreground and the middle distance).
Contact ’plane can be recognised by a rectangular attachment on both lower planes and a white dumb-bell on either side of the body.
Whenever the ’plane calls for signals by sounding the klaxon horn or firing a white Verey light, the most advanced lines of infantry will:—
(a) Light flares in the bottom of a shell hole.
(b) Show Watson fans—white and coloured sides alternately 30 seconds.