US military helicopters breached China's "territorial airspace" over the course of two days (Aug. 28–29). The US military aircraft were then forewarned by the Chinese warplane pilot in both Mandarin and English
The unmanned aerial vehicles were allegedly aimed to harass Taiwanese. The Taiwanese military fired warning shots at Chinese drones flying over its outposts off China's coast, reflecting heightened tensions and Taiwan's resolve to respond to new provocations.