A pair of arms exhibitions showcasing domestic and international military equipment will kick off in South Korea later this month, the defense ministry said Wednesday. The 2011 Seoul International Aerospace and Defense Exhibition (ADEX) will take place from Oct. 18 to 23 at Seongnam Airfield just south of Seoul. Busan, some 450 kilometers southeast of Seoul, will host the 2011 Naval & Defense expo from Oct. 26 to 29.