Serp EW has been installed on many defense enterprises and "properly defends them against drone raids," CEO Sergey Chemezov said MOSCOW, June 17. /TASS/. Rosteec has created Serp electronic warfare (EW) system against drones, CEO Sergey Chemezov reported to Russian President Vladimir Putin. "We have got a new system, new EW Serp-VS13D complex. It can detect and jam FPV drones and previously invulnerable drones with controls in a broader range of frequencies," he said. Serp EW has been installed