Assistant Professor Ossama Abdelkhalik (MEEM), Associate Professor Nilufer Onder (CS) and Hui Meen Nyew who graduated with a CS PhD in summer 2014 published a paper titled, “Structured-Chromosome Evolutionary Algorithms for Variable-Size Autonomous Interplanetary Trajectory Planning Optimization,” in the AIAA Journal of Aerospace Information Systems (pre-print doi: http://arc.aiaa.org/doi/abs/10.2514/1.I010272). The paper describes a new technique to represent and search for optimal solutions that are organized in sections