The symposium on Composite Reliability was presented in Las Vegas, Nev., 15-16 April 1974. The symposium was sponsored by Committee D30 on High Modulus Fibers and Their Composites, American Society for Testing and Materials, in cooperation with the American Institute of Aeronautics and Astronautics, American Society of Mechanical Engineers, and the American Institute of Mining, Metallurgical, and Petroleum Engineers. E. M. Wu, Washington University, presided as symposium chairman.