V. Supporting positions, for covering, converging, enfilade,
and traversing fire.
It should be possible to gather this information without alarming the
enemy, or giving notice of impending attack.
Information on further points can be gained by fighting, and
_Reconnaissance by Raids_ is a common feature of Position Warfare. By
such means additional information can be gained, as to:--
VI. Names of regiments holding the position, judged from
identity discs, badges, buttons, etc.
VII. Whether preparations are being made for an attack
(discoverable by ear as well as eye), or bombardment, etc.
(from examination of shell dumps, etc.).