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 USNS Stalwart | |
| Class overview | |
|---|---|
| Builders | |
| Operators | |
| Preceded by | None |
| Succeeded by | Victorious class |
| In service | April 12, 1984 |
| Completed | 23 |
| Active | 5 not stricken by Naval Vessel Register |
| General characteristics | |
| Displacement | 1,565 t.(lt) 2,535 t.(fl) |
| Length | 224 ft (68 m) |
| Beam | 43 ft (13 m) |
| Draft | 15 ft (4.6 m) |
| Propulsion | diesel-electric, two shafts, 1,600 hp (1,200 kW) |
| Speed | 11 knots (20 km/h; 13 mph) |
| Complement | 36 |
Stalwart-class auxiliary general ocean surveillance ships (T-AGOS) are a class of United States Naval Ship (USNS) auxiliary support Ocean Surveillance Ships commissioned between April 1984 and October 2000. Their original purpose was to collect underwater acoustical information using the Surveillance Towed Array Sensor System (SURTASS), a towed array passive sonar.
Stalwart, Indomitable, and Capable were modified to support narcotics interdiction by removing SURTASS equipment and adding an air-search radar and tactical data link equipment.[1]
| Ship Name | Hull No. | Delivery- Stricken |
Fate | Link |
|---|---|---|---|---|
| Stalwart | 1 | 1984–2002 | State University of New York Maritime College | NVR NavSource |
| Contender | 2 | 1984–1992 | T/V General Rudder, flagship and training vessel of the Texas A&M University at Galveston | NVR NavSource |
| Vindicator | 3 | 1984–1993 | NOAA Hi'Ialakai (R-334) | NVR NavSource NOAA |
| Triumph | 4 | 1985–1995 | Stricken, to be disposed of in support of Fleet training exercise | NVR NavSource |
| Assurance | 5 | 1985–1995 | Transferred to Portugal as NRP Almirante Gago Coutinho (A523) | NVR NavSource |
| Persistent | 6 | 1985–1995 | T/S State of Michigan, Great Lakes Maritime Academy, Traverse City, Michigan | NVR NavSource NMC |
| Indomitable | 7 | 1985–2002 | NOAA McArthur II (R-330) | NVR NavSource NOAA |
| Prevail | 8 | 1986– | Reclassified as Unclassified miscellaneous vessel Prevail (IX-537) | NVR NVR NavSource |
| Assertive | 9 | 1986–2004 | Transferred to NOAA to be converted FY 2007 and to replace NOAA David Starr Jordan. Damaged during a fire at NOAA's pier in Seattle Washington July 2006, transferred to Seattle Maritime Academy. (R 444) in FY 2008 | NVR NavSource |
| Invincible | 10 | 1987– | Converted to T-AGM 24, Missile Range Instrumentation Ship | NVR NavSource MSC |
| Audacious | 11 | 1989–1997 | Transferred to Portugal as NRP Dom Carlos I (A522) | NVR NavSource |
| Vigorous, renamed Bold | 12 | 1989–2004 | EPA Bold (OSV-224) until ~2013. Converted to R/V Bold Explorer, EGS Group, 2020.[2] | NVR NavSource EPA |
| Adventurous | 13 | 1988–1992 | NOAA Oscar Elton Sette (R-335) | NVR NavSource NOAA |
| Worthy | 14 | 1988–1993 | Transferred to USGS, then to the US Army. Converted to a Missile Range Instrumentation ShipatKwajalein Atoll's Ronald Reagan Ballistic Missile Defense Test Site | NVR NavSource KMRSS |
| Titan | 15 | 1989–1993 | NOAA Ka'Imimoana (R-333) until June 18, 2014; Research/Survey Vessel Ocean Titan IMO: 8835231 survey vessel own by Stabbert Maritime | NVR NavSource NOAA |
| Capable | 16 | 1989–2004 | NOAA Okeanos Explorer (R-337) | NVR NavSource NOAA |
| Tenacious | 17 | 1987–1997 | Transferred to New ZealandasHMNZS Resolution (A14) (1997-2012), then sold into civilian service to EGS Group and renamed RV Geo Resolution | NVR NavSource |
| Relentless | 18 | 1990–1993 | NOAA Gordon Gunter (R-336) | NVR NavSource NOAA |
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