HMNZS Resolution

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HMNZS Resolution (A14) was a hydrographic survey ship of the Royal New Zealand Navy. It began life in the United States as USNS Tenacious (T-AGOS-17), a Stalwart-class ocean surveillance ship built to track Soviet submarines during the Cold War using the SURTASS system. It served for the U.S. Navy from 1989 to 1997.

In 1997 the vessel was sold to New Zealand and commissioned into the RNZN as HMNZS Resolution on 13 February 1997, named after James Cook’s sailing sloop Resolution. Resolution replaced earlier RNZN survey ships and carried out hydrographic surveys and acoustic research, including work for Land Information New Zealand. It helped during the 2011 Canterbury earthquake response, conducting surveys of the Port of Lyttelton.

Resolution was decommissioned on 27 April 2012 and sold to private surveying company EGS Group, which renamed it RV Geo Resolution. As RV Geo Resolution, the ship continued as a private survey vessel and left Devonport in October 2014.