On 1 July 2025, NIWA merged with GNS Science to become Earth Sciences New Zealand.

TAN1901_DaveBowden-4845.jpg

Dave Bowden

First Mate Ian Popenhagen keeps a watchful eye for ice as Tangaroa sails deep into a deceptively benign Ross Sea. The 11,800km voyage took Tangaroa just 30km shy of the furthest south it has ever been.