Ukraine has modernized the iconic BM-21 Grad multiple rocket launcher. once a symbol of Soviet-era “steel rain” with a full digital fire control system, satellite navigation, and rapid-deployment mobility on 4x4 trucks. The upgraded system can now fire 40 rockets in under 20 seconds and relocate before enemy counter-battery radar locks on. Unlike Russia, which still relies on manual calculations and exposed launchers, Ukrainian crews use encrypted tablets to input coordinates, enabling precision