China has apparently contributed significant technology to North Korea’s new 300 mm guided multiple rocket launcher (MRL).

Following China’s late 2011 supply of six 16-wheel transporter erector launchers (TELs), North Korea’s new 300 mm MRL, which was first revealed during Pyongyang’s 10 October 2015 military parade, further illustrates the challenge in getting Beijing to comply with new tougher UN Security Council sanctions on North Korea, passed on 2 March this year.

On 3 March North Korean media reported that North Korean leader Kim Jong-un had “guided” the firing of a “new type large-calibre multiple launch rocket system”. For the first time the North Korean report described the rocket as having a “controlled ordnance rocket warhead”, probably meaning the rocket uses a satellite-based guidance system to achieve greater accuracy. […]