Featuring only four engines, the structure likewise required new engine graphs with in a general sense extended power and better mileage. In May 1964, airframe suggestion related from Boeing, Douglas, General Dynamics, Lockheed, and Martin Marietta, the engine proposal was showed up by General Electric, Curtiss-Wright, and Pratt and Whitney. After a down select, Boeing, Douglas, and Lockheed were given additional examination contracts for the airframe, neigh devastating General Electric and Pratt and Whitney for the engines. In 1965 Lockheed’s plane diagram and General Electric’s engine setup were decided for the new C-5 Galaxy transport, which was the best military flying machine on the planet at the time. The nose range and raised cockpit examinations would be proceeded to the strategy of the 747.