There is no better system of tools designed for these types of environments. We can no longer think one dimensional when this “space”, or environment is multifaceted.
“The ‘unknown factor,’ permeates virtually every aspect of anti-tunnel operations from the strategic level down to the tactical level, and even the technical level,” she wrote. “Once inside a tunnel, a soldier is very much alone. ... It is no longer sufficient for soldiers to secure the rear, as tunnels can emerge from anywhere. Even for well-trained soldiers, the multidimensional aspect of the subterranean threat is not easy to handle.”
The Subterranean Battlefield (Army Times, Mar. 4, Todd South)