AI Overview When comparing the Pantsir SM-SV and Pantsir SMD-E systems, the key difference is that the Pantsir SMD-E is specifically designed to combat small drones with a heavy focus on missile-based defense, while the Pantsir SM-SV is a more general-purpose air defense system with both missiles and cannons, making it better suited against a wider range of aerial threats; the SMD-E notably lacks the traditional 30mm cannons present in most other Pantsir variants, making it a dedicated anti-drone system. Pantsir SM-SV or Pantsir SMD-E systems