Unreal Aviation ✈️ on Instagram: "The Boeing 707 represents a decisive inflection point in aeronautical history, marking the transition from piston driven airliners to the modern turbojet age. First flown in 1954 and entering airline service in 1958, the 707 introduced swept wings, podded turbojet engines, and pressurized high altitude cruise to commercial aviation at global scale. Its design leveraged aerodynamic research from military programs, balancing transonic efficiency, structural integr