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Lightweight Composite Innovation Driving Growth in Aerospace & Defense Core Materials MarketThe Global Aerospace & Defense Core Materials Market is valued at approximately USD 0.41 billion in 2025 and is poised to expand at a robust CAGR of 13.30% over the forecast period from 2025 to 2035, with historical data firmly grounded in 2023 and 2025 and 2025 designated as the base year for estimation. Core materials, including foam, balsa, and honeycomb structures, are engineered to be sandwiched between composite skins to deliver exceptional strength-to-weight ratios, structural rigidity, and fatigue resistance. These materials are increasingly being designed into next-generation aircraft and defense platforms as manufacturers strive to balance lightweight performance with uncompromising safety and durability standards. Market growth is being propelled by the accelerating pace of aircraft production, rising defense modernization programs, and the industry-wide shift toward advanced composite structures. As airframe and aerostructure manufacturers gear up to meet rising demand for fuel-efficient commercial aircraft and high-performance military platforms, core materials are being leaned on to reduce overall system weight while scaling up mechanical performance. At the same time, sustained investments in research and development, coupled with advancements in resin compatibility and automated manufacturing techniques, are being carried forward to unlock new application avenues and improve lifecycle performance. The detailed segments and sub-segments included in the report are By Type Foam Balsa Honeycomb By Application Airframe Manufacturers Aerostructures Manufacturers Research & Development Maintenance, Repair, and Overhaul (MRO) By Material Aluminium Titanium Composites Superalloys Steel Plastic Others By Aircraft Parts Aerostructure Components Cabin Interiors Propulsion System Equipment, System, & Support Satellites Construction & Insulation Componen