North Korean leader Kim Jong Un oversaw a missile test on Tuesday featuring a new modular missile launch vehicle and a “multiple tactical cruise missile” system to be deployed at the South Korean border, according to state media.

The Korean Central News Agency (KCNA) reported Wednesday that one transporter erector launch vehicle (TEL) for each of the two new systems was involved in the test, claiming that the military’s missile and artillery systems are now completely “automatic, long-range and ultra-precision.”

Kim said the military must develop weapons capable of attacks that are “impossible to survive” and “instill extreme uneasiness