A fire broke out at Moscow's Avangard Machine Building Plant, the sole supplier of missiles for the S-400 system, on April 16, Russian Telegram channel Astra claimed.
  • NotMyOldRedditName@lemmy.world
    2·
    2 months ago

    In order to properly model air flow in a fire, we had to blow a giant hole in the side and ceiling of the building. Very accurate training!