SME is addressing a broad array of business improvement practices and advanced technologies in aerospace and defense such as lean, test and measurement, composites, high-speed machining, rapid prototyping and alternative cutting technologies, which have an impact on engine, airframe, rotary wing, naval, space, land-based systems, avionics, defense electronics and materials manufacturing. Through its dynamic events, this website and the pages of SME's annual industry yearbook, Aerospace & Defense Manufacturing, we will keep you informed about manufacturing in this a $170-billion-dollar industry.