Sumadija is a Serbian multi launch rocket system mounted on an eight wheel drive truck which has two launch comigrations, Jerina 1 and Jerina 2
Source: Sumadija MLRS Multiple launch Rocket System
The Jerina 1 is guided ammunition using a inertial navigation system INS/GPS and a guidance system to control the fly of the missile. This missile can be fire from a range of 70 km to 285 km. The front of the missile is fitted with an HE fragmentation warhead which has a weight of 20 kg.
The Jerina 2 is unguided rocket with a caliber of 267mm and an HE/fragmentation warhead with a weight of 110 kg.
At the front of the vehicle, there is a crew cab and a cabin to operate the launcher station. The crew can and the cabin provides a protection against firing of small arms and shell splinters.