General and Technical Data Model number:Â S-3Code name:Â VikingUnit type:Â anti-submarine warfare and sea surveillance aircraftManufacturer:Â Lockheed CorporationOperator:Â U.N. NavyRollout:Â AD 1972First deployment:Â AD 1974Accommodation:Â 1 pilot, 1 copilot, 1 tactical ...