North Korea tests massive ballistic missile: Why has Kim Jong Un tested dozens missiles in 2022?

North Korea tested another massive ballistic missile system. This was among the dozens of missiles North Korea has tested since January 2022. ICBM, Hwasong-17, first revealed in 2020, is about 25 metres long. It is North Korea’s longest weapon & a full range test was conducted on March 24. But why is North Korea testing so many missiles?