In this March 30, 2014, file photo, the dilapidated Philippine Navy ship LT 57 Sierra Madre is in the shallow waters of Second Thomas Shoal in the South China Sea.
In this March 30, 2014, file photo, the dilapidated Philippine Navy ship LT 57 Sierra Madre is in the shallow waters of Second Thomas Shoal in the South China Sea. (AP File Photo/Bullit Marquez)
In this March 30, 2014, file photo, the dilapidated Philippine Navy ship LT 57 Sierra Madre is in the shallow waters of Second Thomas Shoal in the South China Sea. (AP File Photo/Bullit Marquez)