The analog of the American JDAM-ER in the Russian version is called UMPK (Unifitsirovannogo nabora Modulei Planirovanie i Korrekcii - unified set of modules for planning and correction ). The cost of know-how, according to the source, does not exceed 2 million rubles [US$25,000], which is significantly cheaper than overseas ammunition. At the same time, the efficiency of FAB-500 with UMPK is very high.