China News DF-15B short-range ballistic missile system in night training admin — July 5, 2017 add comment China Military Online, 2017-06-27 Soldiers assigned to a brigade of the PLA Rocket Force prepare a DF-15B short-range ballistic missile system at night for a training exercise in east China on June 20, 2017. (eng.chinamil.com.cn/Photo by Chen Ping)