FAB-500
The FAB-500 (cyrillic: ФАБ-500, acronym for Russian: фугасная авиационная бомба, ”high-capacity aerial bomb”) is a Soviet/Russian designation for general purpose high-explosive aerial bombs of the 500-kilogram (1,100 lb) class. Starting in 1931 with the FAB-500sv, later models are today primarily used by the Russian Aerospace Forces, former Soviet republics and customer countries.