Core Viewpoint - Stealth materials are essential for modern military technology, significantly enhancing the survivability and effectiveness of weapon systems by reducing detection rates and improving combat capabilities [3][4][45]. Group 1: What are Stealth Materials - Stealth materials are the foundational elements of stealth technology, allowing for reduced detection rates while maintaining the shape of military equipment [3][4]. - They can be categorized by spectrum (radar, infrared, visible light, laser, and sound) and by purpose (stealth coatings and structural materials) [5]. Group 2: Types of Stealth Materials - Radar Absorbing Materials (RAM) are crucial for stealth, designed to absorb radar waves and minimize reflection [8][9]. - Structural RAM serves dual purposes, acting as both structural components and stealth materials, with advancements in composite materials enhancing their effectiveness [9][10]. - Infrared stealth materials are increasingly important due to their ability to evade detection by infrared systems, with developments in both single and composite types [17][19]. Group 3: Future Prospects - The development of stealth materials is focused on practical applications, lightweight designs, multi-spectrum capabilities, multifunctionality, smart materials, and high-temperature resistance [36][38][39][40][41][43]. - The demand for stealth materials is driven by geopolitical tensions, modernization of military equipment, and the need for advanced stealth capabilities across various platforms [46][48]. Group 4: Investment Logic - The investment in stealth materials is supported by strong demand from military modernization, high technical barriers, and significant market potential due to increasing defense budgets [45][46][48]. - Key investment considerations include technological strength, engineering capabilities, core supplier status, and the sustainability of orders [52][53].