Stalwart-class research vessel

The 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.

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1984  Wikimedia, Wikidata
length 68.3 metre, mass 2262 tonne, speed 11 knot, beam 13.1 metre, draft 4.5 metre, 
research vessel, ship, Portuguese Navy, United States Navy, Bollinger Mississippi Shipbuilding, Tacoma Boatbuilding Company, United States, 

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Location: KML, Cluster Map, Maps,

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  Ocean Titan ⓘ
  1988 Stalwart-class research vessel

• 

  NRP Almirante Gago Coutinho ⓘ
  1985 survey vessel of the Portuguese Navy

• 

  NRP Don Carlos I ⓘ
  1989 Stalwart-class research vessel

• 

  USNS Capable ⓘ
  1988 Stalwart-class research vessel

1984-01-01T00:00:00Z

1984-01-01T00:00:00Z

1984 Stalwart-class research vessel

1985-01-01T00:00:00Z

1985-01-01T00:00:00Z

1985 NRP Almirante Gago Coutinho

1989-01-01T00:00:00Z

1989-01-01T00:00:00Z

1989 NRP Don Carlos I

1989-01-01T00:00:00Z

1989-01-01T00:00:00Z

1989 USNS Capable

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Frameless

USNS Assurance (T-AGOS-5) alongside USNS Triumph (T-AGOS-4)

USNS Tenacious (T-AGOS-17)

Type	Subtype	Date	Description	Notes	Source
object	watercraft		Ocean Titan	oceanographic research vessel, Stalwart-class research vessel	Wikidata
object	watercraft	1985	NRP Almirante Gago Coutinho	Stalwart-class research vessel, survey vessel	Wikidata
object	watercraft	1989	NRP Don Carlos I	Stalwart-class research vessel, survey vessel	Wikidata
object	watercraft	1989	USNS Capable	Wikimedia category, research vessel, Stalwart-class research vessel	Wikidata
commons	image		USNS Assurance (T-AGOS-5) alongside USNS Triumph (T-AGOS-4)		Commons
commons	image		USNS Tenacious (T-AGOS-17)		Commons