FIELD: transport.
SUBSTANCE: invention relates to ship building. Proposed method uses devices designed for decreasing the hull friction drag by forming the gas-air medium ahead of submarine fore and around it. Superheated steam is used as the working gas. Steam jets forced out from the holes produce the cloud of bubbles suspended in outboard water decreasing water density in submarine headway. After submarine passage steam gets cooled and condensed to be mixed with outboard water without surfacing and submarine disclosure.
EFFECT: better hiding of submarine diving owing to drag reducing devices.
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