This proceedings volume contains a collection of 34 papers from the following symposia held during the 2015 Materials Science and Technology (MS&T '15) meeting: • Innovative Processing and Synthesis of Ceramics, Glasses and Composites • Advances in Ceramic Matrix Composites • Advanced Materials for Harsh Environments • Advances in Dielectric Materials and Electronic Devices • Controlled Synthesis, Processing, and Applications of Structure and Functional Nanomaterials • Processing and Performance of Materials Using Microwaves, Electric and Magnetic Fields, Ultrasound, Lasers, and Mechanical Work, Rustum Roy Memorial Symposium • Sintering and Related Powder Processing Science and Technologies • Surface Protection for Enhanced Materials Performance: Science, Technology, and Application • Thermal Protection Materials and Systems • Ceramic Optical Materials • Alumina at the Forefront of Technology