The West African country of Burkina Faso has tested what observers say is a Chinese Sky Dragon 30 surface-to-air missile, in the latest sign that Chinese military equipment manufacturers are making inroads into the central Sahel state. In footage released by the Burkinabe president’s office on Tuesday, multiple missiles were fired from a mobile launch vehicle. A matching search radar vehicle also appeared in the video. The footage is part of a documentary series marking the fourth anniversary in...