“(T)he Reconnaissance Bureau maintains four separate reconnaissance battalions. Highly trained and organized, these five-hundred-man battalions are trained to lead an army corps through the hazardous DMZ. They likely have intimate—and highly classified—knowledge of both friendly and enemy defenses in the demilitarized zone.” North Korean SOF includes platoons of female operators, according to this report.
Source: North Korean Special Forces, Secret Tunnels, and the DMZ | The National Interest