Magnificent photo, Justin! Well done!
Cheers!
Walter

It would appear that there have been two vessels of this class/type/appearance with the name "Skandi Bergen"?

She has a short but interesting history:

The Australian Government purchased the Offshore Support Vessel Skandi Bergen to add to the Royal Australian Navy’s amphibious ships, HMAS Choules and HMAS Tobruk, and subsequently announced that the Skandi Bergen would be renamed “Australian Defence Vessel Ocean Shield

The RAN web site stated that "After Defence introduces the first LHD into service, Ocean Shield will be transferred to Customs and Border Protection to provide a long term capability for Customs and Border Protection.

The LHD HMAS Canberra L02 was commissioned and joined the Royal Australian Navy fleet in an official ceremony at Fleet Base East, Sydney on 28 November 2014.

The Ocean Shield livery has been changed and she has been transferred to the Australian Customs and Border Protection Service. See the link This Ship.

Gross tonnage can change with modifications to structure but the IMO number stays with a vessel throughout its life. Whether it changes ownership, flag, or whatever.

Hello i never rely on the information given by i think Grosstonnage.
Best Wishes
Adrian

Suspect the Vessel Identification section of posts of this vessel requires review. The "Skandi Bergen", brought up when clicking on that name in the section, does not share the same IMO number.