How dangerous is North Korea’s military arsenal right now?

Two ballistic missiles fired by North Korea fell harmlessly into the sea on Thursday, but experts say the launch is further proof Kim Jong Un’s growing military arsenal poses a significant threat to South Korea, Japan — and even the US mainland.Two ballistic missiles fired by North Korea fell harmlessly into the sea on Thursday, but experts say the launch is further proof Kim Jong Un’s growing military arsenal poses a significant threat to South Korea, Japan — and even the US mainland.