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The Thermal Protection System (TPS) materials for current hypersonic vehicles have limited structural capability in all-weather environments and a low level of manufacturing sophistication. Nanoshell Matrix Composites (NMC) are a class of materials being developed at United Protective Technologies to address the most difficult challenges faced in hypersonic environments. NMC materials allow the properties of dissimilar ceramics to be combined to produce new materials with advanced properties like tunable coefficients of thermal expansion, thermal conductivity, and emissivity. United Protective Technologies proposes to adapt the NMC technology to produce TPS materials for hypersonic applications.