z

The Army is training thousands more soldiers in tunnel warfare, part of an effort to be ready to offer President Trump military options for North Korea, U.S. officials tell NPR.

North Korea is honeycombed with thousands of tunnels and bunkers, some of them discovered leading across the border and close to the South Korean capital, Seoul. Others in North Korea are hundreds of feet deep and could be used to hide troops and artillery, as well as chemical, biological and nuclear weapons.

 

 

Read more