Philippine Defense Secretary Voltaire Gazmin told reporters on May 8 that China is “practicing to have an Air Defense Identification Zone (ADIZ)” over the South China Sea.
By NASA (Landsat 7 Path 118 Row 53) [Public domain], via Wikimedia Commons
A spokesperson for China’s Foreign Ministry earlier said China is entitled to set up ADIZs. But a decision will be based on whether the air safety is threatened and to what extent it is threatened.