Lockheed R6o R6v Constitution
Lockheed R6V Constitutionmilitary transport aircraftlong-range cargo planeLockheed R6OUS Navy Constitution
The Lockheed R6V Constitution was a substantial four-engine propeller-driven long-range transport aircraft designed for the United States Navy. Known for its impressive size and advanced features for its era, the R6V Constitution, initially designated R6O, was intended for strategic military transport, though only two prototypes were built, limiting its operational service.