''Niugini Guardian'' is a

patrol vessel A patrol boat (also referred to as a patrol craft, patrol ship, or patrol vessel) is a relatively small naval vessel generally designed for coastal defence, border security, or law enforcement. There are many designs for patrol boats, and they ...

operated by

Papua New Guinea Papua New Guinea, officially the Independent State of Papua New Guinea, is an island country in Oceania that comprises the eastern half of the island of New Guinea and offshore islands in Melanesia, a region of the southwestern Pacific Ocean n ...

and previously operated as the ACV ''Ashmore Guardian'' by the

Customs Marine Unit The Marine Unit, formerly the Australian Customs Service National Marine Unit, is a division of the Australian Border Force which acts as a Coast Guard in guarding Australia's coast. The Marine Unit focuses on surveillance and response activities ...

of the

Australian Customs and Border Protection Service The Australian Customs and Border Protection Service was an Australian federal government agency responsible for managing the security and integrity of the Australian border and facilitating the movement of legitimate international travellers and ...

. The former fishing supply vessel ''Roper K'' was converted in 2007-08 by Jurong SML in

Singapore Singapore, officially the Republic of Singapore, is an island country and city-state in Southeast Asia. The country's territory comprises one main island, 63 satellite islands and islets, and one outlying islet. It is about one degree ...

. It was leased to Customs, primarily to patrol the

Ashmore and Cartier Islands The Territory of Ashmore and Cartier Islands is an uninhabited Australian States and territories of Australia#External territories, external territory consisting of four low-lying tropical islands in two separate reefs (Ashmore and Cartier), ...

for up to 330 days per year.

References

{{DEFAULTSORT:Ashmore Guardian Ships built in Western Australia Patrol vessels of the Marine Unit (Australian Border Force) 1983 ships Patrol vessels of the Papua New Guinea Defence Force