Interwar-Field-Defences-Platoon-Post

Interwar-Field-Defences-Platoon-Post, Weapon pits linked by Communication trenches to form a platoon post – Manual of Field Engineering (R.E) 1936
Interwar-Field-Defences-Platoon-Post, Weapon pits linked by Communication trenches to form a platoon post – Manual of Field Engineering (R.E) 1936

Interwar-Field-Defences-Platoon-Post, Weapon pits linked by Communication trenches to form a platoon post – Manual of Field Engineering (R.E) 1936

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