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Since 2014, the IDF has deployed special combat units for these tunnels, trained around simulated tunnels, and learned to use specific sensors to understand the happenings within the tunnels and specialized elements for fighting within them using robots and dogs.
Spencer noted that he had never heard of an army so well-trained in tunnel warfare as the Israeli military. However, Richmond-Barak wrote in a report to the Financial Times that Israel would "need to engage in a long-term and extensive aerial and ground operation to destroy this underground infrastructure. Even this scenario, which may cause significant casualties, is unlikely to succeed in destroying the entire network of tunnels in Gaza."