The Caspian Sea Monster was a Soviet marvel that skimmed the waves, blending the speed of a plane with the stability of a ship. Now, DARPA’s Liberty Lifter aims to revive this concept with ...

And maybe they were right to be worried. The Caspian Sea Monster could scream along at 650 kilometers per hour, would skim harmlessly over antiship mines, and flew too low for most radar to spot.

In the 1980s, an American engineer had a bold vision—to build an ekranoplan 10 times bigger than the Soviet Union’s Caspian ...

long sitting neglected in the Caspian Sea, is the answer to these problems. For navies to survive, perhaps the Caspian Sea Monster must roar once more.