Security and knowing how to conduct proper security, design and implement proper security systems is a crucial and often overlooked part of military training. Physical barricades can funnel people into a certain area, and are often over utilized in urban design and civil engineering but we do not give them the appreciation they often deserve. Curbs on sidewalks are a fundamental feature of physical security that prevent vehicle ramming attacks into people, houses and shop fronts, for example.
Physical Security
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