North Korea has moved every large 122mm self-propelled gun to the border with South Korea. This comes days after Kim Yo Jong (Kim Jong-un's sister) warned of tactical assault weapons and massive attacks against the South.

North Korea has moved every large 122mm self-propelled gun to the border with South Korea. This comes days after Kim Yo Jong (Kim Jong-un's sister) warned of tactical assault weapons and massive attacks against the South.