Footage of a surface-to-air missile (SAM) exercise conducted earlier this week in the southwest of the country under the supervision of Kim Jong Un shed light on some of the most prevalent systems that make up the DPRK’s strategic air defense network.

The rare coverage also included one of North Korea’s newest additions to its SAM arsenal, a missile launcher that to date was not known to have been tested. First paraded through the streets of Pyongyang in 2012, this contraption combines the Soviet-legacy S-125 SAM (NATO designation SA-3) with a KrAZ-255B truck, thereby mobilizing