Chigua Jiao (Johnson South Reef) Helipad

Johnson South Reef

Johnson South Reef, also known as Chigua (Chih-kua) Reef, Gạc Ma Reef, or Mabini Reef, is a reef in the southwest portion of the Union Banks in the Spratly Islands of the South China Sea. It is controlled by the People's Republic of China (PRC), but its ownership is disputed and also claimed by the Philippines, Taiwan (ROC), and Vietnam.