--The Lockheed S-3A Viking is the world's first carrier-based jet anti-submarine patrol aircraft adopted by the US Navy as a successor to the Grumman S-2 tracker.
--The S-3A is equipped with the latest anti-submarine search equipment such as APS-116 radar, infrared detectors, retractable magnetic detectors, active sonar systems and ECM devices.
-In addition, you can equip the fuselage bomb bay with four homing torpedoes and depth charges, and the underwing pylon can be equipped with various bombs, rockets, flares, and other attack weapons.
--In addition, the upper part of the cockpit is equipped with an extending aerial oil receiving probe, and the main wing and vertical tail can be hydraulically folded.
--Actual deployment began in 1975 and has been deployed in 12 squadrons. Derivatives of the S-3A include the US-3A, which has been modified as a transport aircraft between aircraft carriers and bases, and the enhanced capacity S-3B with the AGM-84 harpoon operational capability.
