Hyun-Ung Oh received the B.S. degree in aerospace engineering from Korea Aerospace University, South Korea, in 1992, and the M.S. and Ph.D. degrees from the Department of Aerospace Engineering, Tokyo University, Japan, in 1997 and 1999, respectively. He was with the Japan Aerospace Exploration Agency, Japan, from 1999 to 2005, as a Senior Researcher, and with the Agency for Defense Development, South Korea, from 2005 to 2012. He is currently an Associate Professor with the Department of Aerospace Engineering, Chosun University, Gwangju, South Korea. He is a member of the Japan Society for Aeronautical and Space Sciences, the Korean Society for Aeronautical and Space Sciences, and the Korean Society for Noise and Vibration Engineering. His current research interests are space system engineering, space mechanism, smart materials for space applications, semiactive vibration control, and space thermal control. He is also developing a cube satellite called the STEP Cube Laboratory supported by the Space Core Technology Development Program through the National Research Foundation of Korea funded by the Ministry of Science and Future Planning, South Korea.