In total, the project cost for 22 vessels and associated support was A$155.25 million.

Initially, plans were made for eight vessels in the class.

It had not received any orders for new vessels since 2000.

The requirements come into force for vessels built after 1 July 2010.

We do it all the time for our own vessels.

"Then there probably won't be time for other vessels to get here and help in any evacuation."

We have already had a request for vessels from Thailand.

These three nations account for 1,438 vessels or over 36% of the world's fleet.

The contract also included an option for two additional vessels of the same design.

They also have a high degree of firepower for vessels their size.