Ou Yang Li-hsing, deputy head of the military’s Chung-Shan National Institute of Science and Technology, was found dead in a hotel room in southern Taiwan on Saturday morning, CNA reported. He said authorities are investigating the cause of death. Ou Yang was on a business trip to southern Pingtung County, CNA said, adding that he had taken up the position early this year to oversee various missile production projects. The military is working to more than double its annual missile production capacity to nearly 500 this year as the island bolsters its combat power amid what it sees as a growing military threat from China. Our Morning Update and Afternoon Update newsletters are written by Globe editors, giving you a concise summary of the day’s most important headlines. Sign up today.