North Korea Retrieves a Sunken Warship, Dozens of Balloons Float at the Site, Exposing a Big Secret

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In early June, satellite images revealed that on May 29, North Korea didn’t use a crane or flotation devices but instead employed over 30 large inflatable balloons, hundreds of workers, and steel cables. They slowly righted this 5,000-ton warship using a combination of "human waves and balloons." North Korea’s approach involved "lower pressure and upward pulling": large balloons floated on the water, supporting one side of the ship like an inflatable cushion. Balloons were also suspended in the air to act as a "semi-crane." Workers on the dock pulled cables, adjusting the ship's angle slowly. It took four days of precise adjustments until the ship was positioned upright.

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