The F6F Hellcat is an American naval fighter, the most produced in WW2. The 5N is the most modern version, equipped with an AN/APS-6 radar. Though such a configuration was designed for night fighting, the proliferation of effective radars during the Cold War has given new life to such a design. During and after the War in the Pacific, Oceanyka received many Hellcats; both as aid, and as part of the black market.