Turkish Undersecreteriat for Defence Industries announced today on its official Twitter page that the first batch of seven SOM-B1 missiles developed by ROKETSAN has been delivered. Designed for use against highly protected ground and naval targets, SOM-B1 has a range of 250 kilometres. There are three types of missiles in ROKETSAN's SOM family; SOM A, SOM B1 and SOM B2. The size of the missiles are all the same however they differ from each other in warheads, seekers and guidance systems they carry. While SOM-A does not carry a seeker, SOM-A and SOM-B carry ~500-lb High Explosive/Blast Fragmentation warhead. Having entered the inventory recently, SOM B1 features imaging infrared seeker which allows the missile to be used on targets with known infrared imaging.