The same article then goes on to the next claim:

On Tuesday, state-run television also said the elite Revolutionary Guards had tested what it called a “super modern flying boat” capable of detecting radar. TV showed a brief clip of the boat’s launch.

“Due to its advanced design, no radar at sea or in the air can detect it. It can lift out of the water,” the television said. It said the boat was “all Iranian-made and can launch missiles with precise targeting while moving.”