Formerly known as Small Diameter Bomb II (SDB II), the StormBreaker is a small 250 lb class weapon with a 105 lb shaped charge warhead. Like the original GBU-39 SDB, the weapon's compact nature ...

following the completion of the GBU-39 testing, will test also the other weapons on the new rack, since they already are in the MQ-9's inventory. As we often reported, the SDB is a small 250-lb ...