The Lockheed P-2 Neptune (P2V until September 1962) was a Maritime patrol and ASW aircraft. It was developed for the United States Navy by Lockheed to replace the PV-1 Ventura and PV-2 Harpoon, and being replaced in turn with the P-3 Orion. It was one of the first aircraft to be fitted with both piston and jet engines. Designed as a land-based aircraft, the Neptune never made a carrier landing, although a small number of aircraft were converted for carrier use and successfully launched...
