The book takes a comprehensive approach, starting with the fundamentals of nanofibers, detailing their properties and manufacturing. It then explores their integration into composites, examining the challenges of interfacial interactions and dispersion. Dedicated chapters focus on improvements in mechanical properties achieved through nanofiber reinforcement, providing experimental data and analysis. Finally, it discusses practical aviation applications, including case studies and future directions, offering a holistic view of the field and emphasizes tailoring nanofiber properties for optimal performance.