Heavy Rocket Artillery Step
The BM-27 Uragan gave Soviet rocket artillery a larger 220 mm system between Grad and Smerch.
The BM-27 Uragan was developed as a heavier multiple rocket launcher than the 122 mm BM-21 Grad, providing greater payload and reach for divisional or army-level fire missions. Introduced in the 1970s, it reflected Soviet emphasis on saturation fires against troop concentrations, air-defense positions, and rear-area targets. Its 220 mm rockets filled a role later complemented by the larger BM-30 Smerch.





