North Korea "Hiel-1"] showed on military parade the nuclear underwater UAV </"2"

North Korea for the first time showed the nuclear pilotless Hiel-1 submersible on military parade in Pyongyang. At the end March, 2023 the Academy of national defense of the republic tested the mechanism of "strategic underwater arms". "Heil-1" started Air UAVs on March 27. The device overcame distance about 600 kilometers on an oval and zigzag trajectory in 41 hours 27 minutes and the model of a nuclear charge detonated. Kim Jong-un against rockets...