Lockheed P2V-7 Neptune / VP-1 Government Aircraft Developed from the pre-war "C-Class"

Developed from the pre-war "C-Class" Empire flying boats used commercially by Imperial Airways

it was decided instead to develop a new Martin 4-0-4

high-winged monoplane would soon become famous for its nocturnal flights into occupied Europe

The Lockheed Model 8 Sirius was a single-engined

the prototype Model 70 could withstand load factors much higher than were expected to occur in normal flight training

Lockheed P2V-7 Neptune / VP-1 Government Aircraft Developed from the pre-war "C-Class"VP 1 Lockheed P 2 Neptune airplane model. The first prototype of this long range maritime patrol aircraft was flown on May 17, 1945, and P2V 1s began to enter service in March 1947 and proved effective in their role. One airplane named "The Turtle" set a world piston engine distance record in 1946. The Korean War expanded the requirement for such aircraft, and the later involvement of the United States in Southeast Asia, plus need to provide similar