Still, the Allied forces uncovered and destroyed some of the tunnel complexes as well as large stockpiles of VC supplies. In the course of the operation, so-called tunnel rats were introduced to infiltrate the Viet Cong's tunnel systems.
Even though the Allied forces found and destroyed some of the tunnel complexes and significant amounts of VC supplies, they also deployed a group called "tunnel rats" to infiltrate the Viet Cong's underground network.