![Sia Da Vinci💎 on Twitter: "Caspian Sea Monster, was an experimental ground effect vehicle developed in the Soviet Union in the 1960s by the Central Hydrofoil Design Bureau. The KM began operation Sia Da Vinci💎 on Twitter: "Caspian Sea Monster, was an experimental ground effect vehicle developed in the Soviet Union in the 1960s by the Central Hydrofoil Design Bureau. The KM began operation](https://pbs.twimg.com/media/FZQ1jRoXkAAF2Kl.jpg:large)
Sia Da Vinci💎 on Twitter: "Caspian Sea Monster, was an experimental ground effect vehicle developed in the Soviet Union in the 1960s by the Central Hydrofoil Design Bureau. The KM began operation
![The Inside of the 'Caspian Sea Monster' - drone images show Soviet-era flying machine | Daily Mail Online The Inside of the 'Caspian Sea Monster' - drone images show Soviet-era flying machine | Daily Mail Online](https://i.dailymail.co.uk/1s/2021/03/22/15/40783136-9388999-The_machine_dubbed_the_Caspian_Sea_Monster_was_discovered_by_the-a-198_1616426276420.jpg)
The Inside of the 'Caspian Sea Monster' - drone images show Soviet-era flying machine | Daily Mail Online
![Russia's Ekranoplans: The Caspian Sea Monster and other WIGE Craft - Red Star Vol. 8: Kommissarov, Sergey: 9781857801460: Amazon.com: Books Russia's Ekranoplans: The Caspian Sea Monster and other WIGE Craft - Red Star Vol. 8: Kommissarov, Sergey: 9781857801460: Amazon.com: Books](https://m.media-amazon.com/images/I/81oSqch4deL._AC_UF1000,1000_QL80_.jpg)