LIGHT-TPS will develop a new super-light Thermal Protection System (TPS) for various space applications, above all for Reusable Space Systems (RSS), capable of operating within the entire range of working temperatures. The project aims at radical properties improvements in the TPS used existing and under-development RSS. The main disadvantage of existing TPS based on metallic frames is the significant weight and insufficient lifetime, due to the degradation and corrosion of the metal. A class of materials, commonly referred to as ultra-high temperature ceramics (UHTC) possesses a unique combination of physico-chemical properties that makes them specifically suited for application in aerospace sector. The UHTC-based coating that will be developed will provide superior oxidation protection to metal alloys, as well as to light constructions made of C/SiC and C/C materials. The main challenge of the project is to develop a super-light, corrosion and oxidation resistant TPS by combining the advantagesof metallic