Prof. Dimitri Volchenkov sits in the Department of Mathematics and Statistics, Texas Tech University, Texas, USA; Prof. Siyuan Xing sits in the Department of Mechanical Engineering, California Polytechnic State University, San Luis Obispo, CA, USA; Prof. Jianzhe Huang sits in the Department of Aerospace Information and Control, Shanghai Jiaotong University, China; and Prof. Yeyin Xu sits in the School of Astronautics and Aeronautics, Xi'an Jiaotong University, China.