Ahn Young-joon/AP
Members of the South Korean Army Special Forces demonstrate their martial arts skills during a rehearsal for a welcome ceremony to greet foreign defense officials and guests for the Seoul International Aerospace and Defense Exhibition 2013, at the Defense Ministry in Seoul, South Korea, Oct. 29, 2013.
About 360 defense firms from 28 countries attend the biennial exhibition from Oct. 29 to Nov. 3.
Ahn Young-joon/AP
South Korea's FA-50 fighter jet is displayed at the firm's booth at the Seoul International Aerospace and Defense Exhibition (ADEX) 2013 in Goyang, South Korea, Oct. 28, 2013.
Ahn Young-joon/AP
A Eurofighter Typhoon is displayed at the Seoul International Aerospace and Defense Exhibition (ADEX) 2013 in Goyang, South Korea, Oct. 28, 2013.
Ahn Young-joon/AP
Members of the South Korean Army Special Forces use a smart phone to take pictures at the Seoul International Aerospace and Defense Exhibition 2013, Oct. 29, 2013.
Ahn Young-joon/AP
An employee of the South Korean Aerospace and Defense company, LIG Nex1, operates "Chiron," a portable surface-to-air missile, at the firm's booth at the Seoul International Aerospace and Defense Exhibition (ADEX) 2013, Oct. 28, 2013.
Ahn Young-joon/AP
A member of the South Korean Army Special Forces uses a smart phone to take pictures of his fellow soldiers at the Seoul International Aerospace and Defense Exhibition 2013, Oct. 29, 2013.
Ahn Young-joon/AP
Workers display a Chumoo model, South Korea's multiple launch rocket system, at the firm's booth during a media day of Seoul International Aerospace and Defense Exhibition (ADEX) 2013, Oct. 28, 2013.
Ahn Young-joon/AP
Models of Airbus planes are displayed at the firm's booth at the Seoul International Aerospace and Defense Exhibition (ADEX) 2013, Oct. 28, 2013.
Ahn Young-joon/AP
Members of the South Korean Army Special Forces demonstrate their martial arts skills at the Seoul International Aerospace and Defense Exhibition 2013, Oct. 29, 2013.
Ahn Young-joon/AP
Members of the South Korean honor guard throw their guns in the air at the Seoul International Aerospace and Defense Exhibition 2013, Oct. 29, 2013.
Ahn Young-joon/AP
Akashi, India's Mobile Launcher System, is displayed at the Seoul International Aerospace and Defense Exhibition (ADEX) 2013, Oct. 28, 2013.
Ahn Young-joon/AP
A photographer takes pictures of Lockheed Martin F-35 Lighting II at the Seoul International Aerospace and Defense Exhibition (ADEX) 2013, Oct. 28, 2013.
Ahn Young-joon/AP
A South Korean tank is displayed at the Seoul International Aerospace and Defense Exhibition (ADEX) 2013, Oct. 28, 2013.
Ahn Young-joon/AP
Members of the South Korean Army Special Forces demonstrate their martial arts skills at the Seoul International Aerospace and Defense Exhibition 2013, Oct. 29, 2013.