It is a highly classified system  based on sensors that monitor what is happening on the ground and provide warning in the event of a cavity discovery, but its full details may not be published.

TEL AVIV: Israel needs something like America’s Committee on Foreign Investment in the United States (CFIUS) to monitor and, when needed, curtail Chinese investment that may pose a national security threat. “Surprisingly, we don’t have a body that supervises operations of Chinese companies in Israel and that is very worrying. I hope that this will… Keep reading →