This country tests new 'super-large' multiple rocket launcher?

A newly developed "super-large multiple rocket launcher" as part of North Korea's expanding weapons arsenal (collection of weapons and military equipment) was test fired and was supervised by North Korea's supreme leader Kim Jong-Un.This latest North Korean launch was made two days after South Korea announced its possible termination of its intelligence-sharing deal with Japan amid trade disputes between the U.S(United States) allies. The launcher was developed and tested as means of Korean-style strategic and tactical weapons to face the military threats and pressure from its hostile forces such as the United States and South Korea that conducted a small scale military drill in november 2018.