🚁This Day in Army Aviation Maintenance History 🔧 The two most significant Army Aviation facts on October 21st tell the story of maintenance evolution, spanning 65 years! Flashback to October 21, 1956: The Bell XH-40 prototype made its early flight. This was the ancestor of the UH-1 "Huey." This revolutionary new turbine technology—initially designed for MEDEVAC—demanded a groundbreaking approach to maintenance. In those early years, it was all about hands-on ingenuity and learning the new turb

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