 The original 9M120 Ataka missile is 130 mm in diameter and features a tandem warhead capable of defeating explosive reactive armor (ERA).The tandem warhead penetrates 800 mm of Rolled homogeneous armor (RHA) behind ERA with later variants capable of penetrating 950 mm of RHA after ERA.The anti-personnel variant (9M120F) contains a thermobaric warhead and yields a blast effect of 9.5 kg in TNT equivalence.