The 10-day exercises will test the Taiwanese army's ability to sustain 24-hour operations. (AP PHOTO)The 10-day exercises will test the Taiwanese army's ability to sustain 24-hour operations. (AP PHOTO) Credit: AAPTaiwan has begun annual military exercises aimed at simulating a response to a potential Chinese invasion of the self-governed island Beijing claims as its own. The live-fire exercises will test the Taiwanese army's ability to sustain 24-hour defence operations as well as counter China's "grey-zone tactics", which stop just short of open warfare. The drills will test how quickly reserves can mobilise from peacetime standby mode to full active duty.