1. Department of Aerospace Engineering; Korea Advanced Institute of Science; Guseong-dong, Yuseong-gu Daejeon 305-701 Republic of Korea
2. Composites Research Center, Korea Institute of Materials Science; 797 Changwondaero, Seongsanggu, Changwon Gyeongnam 642-831 Korea
3. The 1st R&D Institute-3, Agency for Defense Development; Daejeon 305-600 Republic of Korea