Entering the Port of San Diego, CA.
Originally the USNS Tenacious (T-AGOS-17), the Stalwart-class ocean surveillance ship was used by the United States to locate and track Soviet submarines from 1989 to 1997, when she was transferred to the RNZN for use as a hydrographic survey ship and renamed HMNZS Resolution (A14). She served until 27 April 2012. She was subsequently acquired by EGS Group, a private surveying company, on 11 October 2014 and renamed RV Geo Resolution.
Class and type: Stalwart-class ocean surveillance ship
Displacement: 2,262 tons
Length: 68 m (224 ft)
Beam: 13 m (43 ft)
Draught: 4.4 m (14 ft)
Propulsion:
Four Caterpillar D398B diesel generators 3,200 hp (2.4 MW)
Twin shafts
Bow thruster 550 hp (410 kW)
Speed: 11 knots (20 km/h; 13 mph)
Range: 21,500 nautical miles