5. The location of squad dugouts in rear of the bays of the fire trench and platoon dugouts just in rear of the supervision trench are indicated. It is not necessary for the purposes to excavate these. The location of the entrances in the trenches should be indicated.
The starting line is 40 feet in front of the traversed fire trench. This may be a deep trench or merely a line as desired. The trench gives good practice for the men in getting out of a fire trench, quickly and forming a line beyond. The whole system of trenches should be constructed on ground that can be easily drained.
Accessories
1. Portable gallows for the suspension of from one to four targets are constructed and located at such points as may be desired in the area between the fire trench and the supervision trench and that to the rear of the latter.
Gallows with Dummy.
2. Shell craters may be excavated in the open spaces mentioned above in which dummy targets may be placed.
3. Portable Turk's Head may be constructed and placed at such points as may be desired in the trenches or in the open spaces above ground.
4. Dummy targets may be placed where-ever desired.