In 2006 the Government extended the Great Barrier Reef's compulsory pilotage system to the Torres Strait to force large carriers and tankers to use a marine pilot to navigate through the Strait.
The system was designed to prevent accidents and spills.
But cables published by WikiLeaks show the United States and Singapore opposed the system.
The cables detail concerns raised by the US and refer to legal action considered by the Singaporean government. Full story
