HMNZS Rotoiti sails up Otago Harbour on Thursday morning. Photo by Stephen Jaquiery. : Visit offers peek into life at sea

Leading Seaman Combat Specialist Konrad Cook (centre) shows his parents Ernie Cook and Annemarie Cook around HMSNZ Rotoiti on Thursday. Photo by Craig Baxter. : Visit offers peek into life at sea

Sublieutenant Trent Nancekivell on the bridge of HMNZS Rotoiti. Photos by Craig Baxter. : Visit offers peek into life at sea

Waves break over the bow. : Visit offers peek into life at sea

Commanding officer Lieutenant Anthony Norris. : Visit offers peek into life at sea

A view of the rigid-hulled inflatable boats on HMNZS Rotoiti. : Visit offers peek into life at sea

The ship's shark rifle is kept on the bridge. : Visit offers peek into life at sea

Leading chef Paige Jarden cooks lunch. : Visit offers peek into life at sea

The ensign of the Royal New Zealand Navy flutters at the stern of HMNZS Rotoiti. : Visit offers peek into life at sea