Structural materials of metals, ceramics, wood, or plastics with built-in strengthening agents which may be in the form of filaments, foils, powders, or flakes of a different compatible material
DIRECTED ENERGY (DE) AND KINETIC ENERGY (KE) SYSTEMS CHEMICAL & BIOLOGICAL SYSTEMS CHEMICAL AND BIOLOGICAL SYSTEMS
Plastics, metals, ceramics, or carbon-fiber materials with built-in strengthening agents These materials are much lighter and stronger than the metals formerly used for such aircraft components as panels, skin, and flight controls