Disrupting an insurgent's access to sanctuary and safe-haven is a critical aspect of operational planning for counterinsurgent forces. By denying an insurgent's access to safe-havens early in the conflict, the counterinsurgent will gain a marked advantage over the initially weaker force. Only through a deep understanding of how the insurgent is using international, tribal, or cultural borders to evade the counterinsurgent force can the counterinsurgent disrupt the insurgent operations. In order to accomplish this, the counterinsurgent must understand the physical terrain and cultural...