Ayungin Shoal: Know your Philippine features at the Kalayaan Island Group (KIG)
Ayungin Shoal is located nearest to Mischief Reef.
It is a typical reef lying underwater and is now being manned by a military contingent based and established in the area. Their shelter shelter is the grounded BRP Sierra Madre, A Philippine naval vessel, 105 nautical miles (194 kilometers; 121 miles) west of Palawan.
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