For the Company Commander—Location of the platoons (number of men holding the first line and distribution of same; platoons in the cover trench and support line). Shelter accommodations, alarm signals, artillery support (limits of barrage fronts and barrage calls). Counter attacks (troops and directions for counter attacks). Information of the enemy (observation posts of the support point). Supply (engineer dumps, kitchens, ration supply parties, water). For the Machine Gun Company Commander—Distribution of machine guns and emplacements, limits of machine gun fire sectors, emergency and special uses of M. G. When such a complete reconnaissance cannot be made, only commanders of units precede their troops and make a short reconnaissance of one or two hours. Relief Orders (1) =Regimental Orders.= Usually the general order for the relief of a sector is settled on in conference by the colonels of the relieving and relieved regiments. This order is sent to the battalion commanders, if possible, before the reconnaissance. The order of relief contains the following paragraphs: Day and hour of the relief, designating the relieving and relieved units. The name, limits, and division of the sector with designations of the neighboring units. Information of the artillery support, its composition and emplacements. Orders for the reconnaissance, its composition, and the hour when it must be finished. Orders for the movement of the relief; march of the regiment from the initial point to the point of dispersion where the battalions branch off to their particular areas. If the regiment is transported in motor trucks, points and orders for entraining and detraining. Hours of departure of each battalion from the dispersion point and special itineraries for each. Movement of the relieved troops. Assembly points of these battalions. Movement of the regimental trains, relief of the kitchens, supply measures for furnishing of provisions, orders for the sanitary personnel. Hour at which the new colonel takes command of the sector. (2) =Battalion Orders.= All details for the relief are fixed in the battalion relief order issued by the battalion commander. This order is sent out immediately upon his return from the preliminary reconnaissance and in accordance with the regimental order. The battalion relief order contains the following points: Hour of leaving the dispersion point. [Illustration: _March of a Regiment to the Relief_] Order of march of the units (the companies march in the order in which they are to relieve the units in the sector, from right to left in the first line, and similarly in the support line). Itinerary to the entrance of the trenches. Meeting of the guides, hour and point of rendezvous, function of the guides of the relieved battalions. Movement of headquarters, and rendezvous of the messengers that each company sends to headquarters to establish liaison. Order of supply.