SM-2 Standard Missile

E618250

naval missile system ship-launched missile surface-to-air missile

The SM-2 Standard Missile is a long-range, ship-launched surface-to-air missile used by naval forces for area air defense against aircraft and anti-ship missiles.

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All labels observed (15)

Label	Occurrences
Standard Missile family	4
SM-2 Standard Missile canonical	3
RIM-156 Standard Missile	1
RIM-156 Standard Missile 2ER	1
RIM-66 Standard Missile	1
RIM-66 Standard Missile 2	1
RIM-66M SM-2 missiles	1
RIM-67 Standard Missile 1	1
SM-2 Block II	1
SM-2 Block III	1
SM-2 Block IIIA	1
SM-2 Block IIIB	1
SM-2 Block IV	1
SM-2 missile	1
Standard Missile 2	1

How this entity was disambiguated

This entity first appeared as the object of triple T6775625 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: SM-2 Standard Missile
Context triple: [Hobart-class destroyer, primarySurfaceToAirMissile, SM-2 Standard Missile]

A. SM-64 Navaho missile
The SM-64 Navaho missile was an experimental U.S. Air Force supersonic cruise missile program of the 1950s that pioneered technologies later used in intercontinental ballistic missiles and space launch vehicles.
B. RIM-7 Sea Sparrow
The RIM-7 Sea Sparrow is a ship-launched, radar-guided surface-to-air missile system used by naval vessels to defend against incoming aircraft and anti-ship missiles.
C. SM-3 Block IIA
The SM-3 Block IIA is an advanced, ship- and land-based ballistic missile defense interceptor co-developed by the United States and Japan, designed to engage medium- and intermediate-range ballistic missiles in space.
D. Patriot missile system
The Patriot missile system is a long-range, all-altitude, air-defense system designed to detect, track, and intercept incoming aircraft, missiles, and drones, widely used by the U.S. and allied militaries.
E. RIM-116 RAM
The RIM-116 RAM is a lightweight, quick-reaction, ship-based missile system designed to defend naval vessels against incoming anti-ship missiles and other airborne threats.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: SM-2 Standard Missile
Target entity description: The SM-2 Standard Missile is a long-range, ship-launched surface-to-air missile used by naval forces for area air defense against aircraft and anti-ship missiles.

A. SM-64 Navaho missile
The SM-64 Navaho missile was an experimental U.S. Air Force supersonic cruise missile program of the 1950s that pioneered technologies later used in intercontinental ballistic missiles and space launch vehicles.
B. RIM-7 Sea Sparrow
The RIM-7 Sea Sparrow is a ship-launched, radar-guided surface-to-air missile system used by naval vessels to defend against incoming aircraft and anti-ship missiles.
C. SM-3 Block IIA
The SM-3 Block IIA is an advanced, ship- and land-based ballistic missile defense interceptor co-developed by the United States and Japan, designed to engage medium- and intermediate-range ballistic missiles in space.
D. Patriot missile system
The Patriot missile system is a long-range, all-altitude, air-defense system designed to detect, track, and intercept incoming aircraft, missiles, and drones, widely used by the U.S. and allied militaries.
E. RIM-116 RAM
The RIM-116 RAM is a lightweight, quick-reaction, ship-based missile system designed to defend naval vessels against incoming anti-ship missiles and other airborne threats.
F. None of above. chosen

Statements (50)

Predicate	Object
instanceOf	naval missile system ⓘ ship-launched missile ⓘ surface-to-air missile ⓘ
alsoKnownAs	Standard Missile 2 ⓘ linked to: SM-2 Standard Missile
compatibleWith	Aegis-equipped ships ⓘ
countryOfOrigin	United States ⓘ linked to: United States of America
designedFor	Aegis Combat System ⓘ linked to: AEGIS combat system
developedBy	Raytheon ⓘ linked to: Raytheon Company
engagementCapability	beyond visual range ⓘ high-altitude targets ⓘ low-altitude targets ⓘ maneuvering targets ⓘ
enteredService	1970s ⓘ
exportStatus	widely exported to allied navies ⓘ
fuzing	contact fuze ⓘ proximity fuze ⓘ
guidanceType	inertial guidance ⓘ semi-active radar homing ⓘ
launchPlatform	guided-missile cruisers ⓘ guided-missile destroyers ⓘ surface ships ⓘ
launchSystem	Mk 13 missile launcher ⓘ Mk 41 Vertical Launching System ⓘ linked to: Mk 41 VLS
partOfFamily	RIM-66 Standard ⓘ RIM-67 Standard ⓘ linked to: RIM-66 Standard
propulsion	solid-fuel rocket motor ⓘ
replaced	earlier Standard Missile variants ⓘ
role	primary area air-defense weapon ⓘ
seriesIncludes	SM-2 Block II ⓘ linked to: SM-2 Standard Missile SM-2 Block III ⓘ linked to: SM-2 Standard Missile SM-2 Block IIIA ⓘ linked to: SM-2 Standard Missile SM-2 Block IIIB ⓘ linked to: SM-2 Standard Missile SM-2 Block IV ⓘ linked to: SM-2 Standard Missile
usedBy	German Navy ⓘ Japan Maritime Self-Defense Force ⓘ Republic of Korea Navy ⓘ linked to: South Korean Navy Royal Australian Navy ⓘ Royal Canadian Navy ⓘ Royal Danish Navy ⓘ linked to: Danish Navy Royal Netherlands Navy ⓘ Royal Norwegian Navy ⓘ Spanish Navy ⓘ Turkish Navy ⓘ linked to: Turkish Naval Forces United States Navy ⓘ other allied navies ⓘ
usedFor	area air defense ⓘ defense against aircraft ⓘ defense against anti-ship missiles ⓘ fleet air defense ⓘ
warheadType	high-explosive fragmentation ⓘ

How these facts were elicited