Russia S-400 Moscow
A Russian S-400 surface-to-air missile system drives past a "Z" symbol before the Victory Day parade in Moscow on May 9, 2023.
  • Ukraine destroyed a Russian air-defense system worth $1.2 billion, reports said Thursday. 
  • The S-400 "Triumf" was taken down using a combination of Neptune missiles and drones, reports said.

Ukraine used drones and missiles to take down an advanced Russian air-defense system worth $1.2 billion early on Thursday, according to multiple reports.

The advanced S-400 "Triumf" air-defense system was destroyed in a joint operation by Kyiv's security service (SBU) and navy, the BBC and Reuters reported, citing Ukrainian intelligence sources.