U.S.-Taiwan-China relations in 2018, China takes first delivery of S-400 SAM, continuing spat over M503 route, reform of Taiwan’s defense industry, future and possible defense acquisitions, and more in this double issue of the Week in Taiwan Defense. There is a way forward for China, Taiwan, and the U.S., although not one that China would like. Sale of S-400 to China prompted debate on the potential use of the system for ‘offensive air defense,’ i.e. It is also speculative that the S-400 will be deployed across the Taiwan Strait to conduct ‘offensive air defense’ mission. Related: read Taiwan in Perspective’s Kitsch Liao’s two analyses on the issue of possible F-35 sale to Taiwan: Top Gun: A Case of F-35 for Taiwan (2014) & Taiwan’s Grail Quest for F-35sFuture of Taiwan’s Defense industry: Out of necessity, Taiwan turned to a domestic defense industry for weapons it cannot acquire abroad.