This post will look at the GPS plans of the four positions shown in the overview in Part 1 of this post.  Whether or not the positions were laid out deliberately as suggested below I have no idea , but although it cannot be appreciated by the plots, actually out on the ground it was easy to imagine the primary fire task of each weapon-slit.   First the Overview  plot again:          Next some diagrammatic representations of section posts from various manuals:               Above: Top - section post, "The Instructor's manual of Fieldcraft and Battle Drill"   Middle: Vickers MG section post, "Infantry Training 1937 - Supplement No. 3"   Bottom: Section post, "Infantry Training 1937"     The above images may help put the following Practice Trenches in to some sort of context. A section would seldom be called upon to occupy an isolated position - the ideal layout for a platoon post (three sections) would be arranged in a triangle to ens...