Visitors walk around the booth of China Academy of Launch Vehicle Technology, the nation's major rocket developer and a subsidiary of China Aerospace Science and Technology Corp., at the Latin America Aero & Defense (LAAD) in Rio de Janeiro, Brazil, April 14, 2015. Four Chinese state-owned enterprises attended the 3-day show, presenting ships, missiles, and electronic equipment. (Photo: China News Service/Mo Chengxiong)
