Structure
Often being positioned in secret very close to the enemy, an observation post is usually a small construct, often consisting largely of camouflage materials and maybe some weather cover. However, where frontlines are expected to be stable for a longer time, an observation post (or ground observation post) may develop into a bunker-like installation.
It is not unusual for soldiers to occupy a 'hide' for long periods of time. To avoid detection they have to remove all their own waste, this is achieved with the aid of clingfilm, plastic bags and empty water bottles.
One example of makeshift observation posts is Gaza Baptist Church, which was commandeered by both Fatah and Hamas troops during the Fatah–Hamas conflict.
Read more about this topic: Observation Post
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