14 March 1988, after the Johnson South Reef Skirmish, China started to control many reefs in the South China Sea: Fiery Cross Reef, Cuarteron Reef, Hugh Reef/Hughes Reef, Nanxun Jiao/Nanxun Reef, Subi Reef, Chinua Jiao/Chinua Reef, and surrounding waters. See article Johnson South Reef Skirmish.