B-2 Spirit
E76530
The B-2 Spirit is a U.S. stealth strategic bomber known for its flying-wing design and ability to penetrate sophisticated air defenses to deliver both conventional and nuclear weapons.
All labels observed (12)
| Label | Occurrences |
|---|---|
| B-2 Spirit canonical | 15 |
| Northrop Grumman B-2 Spirit | 3 |
| B-2 Spirit stealth bomber | 2 |
| B-2A Spirit | 2 |
| Advanced Technology Bomber | 1 |
| B-2 Spirit aircraft | 1 |
| B-2 Spirit bomber | 1 |
| B-2 Spirit bombers | 1 |
| B-2 Spirit program | 1 |
| B-2A | 1 |
| Northrop B-2 Spirit | 1 |
| Northrop Grumman B-2A Spirit | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T612353 — 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: B-2 Spirit Context triple: [412th Test Wing, notableAircraftTested, B-2 Spirit]
-
A.
Boeing B-52 Stratofortress
The Boeing B-52 Stratofortress is a long-range, subsonic strategic bomber used by the United States Air Force since the 1950s, renowned for its heavy payload capacity and exceptional longevity in service.
-
B.
C-17 Globemaster III
The C-17 Globemaster III is a large, long-range military transport aircraft used by several air forces worldwide for rapid strategic airlift of troops and heavy cargo.
-
C.
F-22 Raptor
The F-22 Raptor is a U.S. fifth-generation stealth air superiority fighter jet known for its advanced avionics, supercruise capability, and exceptional maneuverability.
-
D.
Boeing P-8 Poseidon
The Boeing P-8 Poseidon is a military maritime patrol and reconnaissance aircraft used primarily for anti-submarine warfare, anti-surface warfare, and intelligence, surveillance, and reconnaissance missions.
-
E.
E-3F Sentry AWACS
The E-3F Sentry AWACS is an airborne early warning and control aircraft equipped with a distinctive rotating radar dome, used for long-range airspace surveillance, command, and battle management.
- 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: B-2 Spirit Target entity description: The B-2 Spirit is a U.S. stealth strategic bomber known for its flying-wing design and ability to penetrate sophisticated air defenses to deliver both conventional and nuclear weapons.
-
A.
Boeing B-52 Stratofortress
The Boeing B-52 Stratofortress is a long-range, subsonic strategic bomber used by the United States Air Force since the 1950s, renowned for its heavy payload capacity and exceptional longevity in service.
-
B.
C-17 Globemaster III
The C-17 Globemaster III is a large, long-range military transport aircraft used by several air forces worldwide for rapid strategic airlift of troops and heavy cargo.
-
C.
F-22 Raptor
The F-22 Raptor is a U.S. fifth-generation stealth air superiority fighter jet known for its advanced avionics, supercruise capability, and exceptional maneuverability.
-
D.
Boeing P-8 Poseidon
The Boeing P-8 Poseidon is a military maritime patrol and reconnaissance aircraft used primarily for anti-submarine warfare, anti-surface warfare, and intelligence, surveillance, and reconnaissance missions.
-
E.
E-3F Sentry AWACS
The E-3F Sentry AWACS is an airborne early warning and control aircraft equipped with a distinctive rotating radar dome, used for long-range airspace surveillance, command, and battle management.
- F. None of above. chosen
Statements (60)
| Predicate | Object |
|---|---|
| instanceOf |
flying wing aircraft
ⓘ
military aircraft ⓘ stealth aircraft ⓘ strategic bomber ⓘ |
| armamentCapacity | 40000 lb of ordnance ⓘ |
| armamentType |
conventional bombs
ⓘ
nuclear bombs ⓘ precision-guided munitions ⓘ |
| base |
Whiteman Air Force Base, Missouri
ⓘ
surface form:
Whiteman Air Force Base
|
| combatRadius | approximately 2500 nmi ⓘ |
| conflictUsedIn |
Iraq War
ⓘ
Kosovo War ⓘ War in Afghanistan (2001–2021) ⓘ
surface form:
War in Afghanistan
|
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| crew | 2 ⓘ |
| designedTo |
deliver conventional weapons
ⓘ
deliver nuclear weapons ⓘ penetrate dense anti-aircraft defenses ⓘ |
| designFeature |
fly-by-wire flight control system
ⓘ
flying wing configuration ⓘ low observable technology ⓘ radar-absorbent materials ⓘ stealth shaping ⓘ twin cockpit ⓘ |
| engineType | non-afterburning turbofan ⓘ |
| enteredServiceWithUnit |
509th Bomb Wing
ⓘ
surface form:
509th Bomb Wing at Whiteman AFB
|
| firstFlight | 1989-07-17 ⓘ |
| height |
17 ft
ⓘ
5.2 m ⓘ |
| introduction | 1997-01-01 ⓘ |
| length |
21.0 m
ⓘ
69 ft ⓘ |
| manufacturer |
Northrop Grumman
ⓘ
surface form:
Northrop Corporation
Northrop Grumman ⓘ |
| maxSpeed | high subsonic ⓘ |
| maxTakeoffWeight |
152634 kg
ⓘ
336500 lb ⓘ |
| NATOReportingName | Spirit ⓘ |
| notableFeature |
intercontinental range with aerial refueling
ⓘ
very low radar cross-section ⓘ |
| numberBuilt | 21 ⓘ |
| numberOfEngines | 4 ⓘ |
| powerplant |
General Electric F118
ⓘ
surface form:
General Electric F118-GE-100 turbofan
|
| primaryUser | United States Air Force ⓘ |
| programCost | approximately 2.1 billion USD per aircraft (including R&D) ⓘ |
| programName |
B-2 Spirit
self-linksurface differs
ⓘ
surface form:
Advanced Technology Bomber
|
| programStart | 1979 ⓘ |
| range |
approximately 11100 km unrefueled
ⓘ
approximately 6000 nmi unrefueled ⓘ |
| role |
conventional bomber
ⓘ
nuclear bomber ⓘ strategic bomber ⓘ |
| serviceCeiling | 50000 ft ⓘ |
| status | in service ⓘ |
| successor | B-21 Raider ⓘ |
| tailNumberPrefix | AF 8x-xxxx ⓘ |
| user |
131st Bomb Wing
ⓘ
509th Bomb Wing ⓘ |
| wingspan |
172 ft
ⓘ
52.4 m ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: B-2 Spirit Description of subject: The B-2 Spirit is a U.S. stealth strategic bomber known for its flying-wing design and ability to penetrate sophisticated air defenses to deliver both conventional and nuclear weapons.
Referenced by (30)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Advanced Technology Bomber
this entity surface form:
B-2 Spirit aircraft
subject surface form:
Northrop Grumman Corporation
this entity surface form:
B-2 Spirit bomber
this entity surface form:
Northrop Grumman B-2 Spirit
this entity surface form:
Northrop Grumman B-2A Spirit
subject surface form:
RAF Fairford
this entity surface form:
B-2 Spirit bombers
this entity surface form:
Northrop B-2 Spirit
subject surface form:
Whiteman Air Force Base
this entity surface form:
Northrop Grumman B-2 Spirit
this entity surface form:
B-2 Spirit stealth bomber
this entity surface form:
B-2 Spirit program
this entity surface form:
B-2A
this entity surface form:
B-2A Spirit
this entity surface form:
B-2A Spirit
this entity surface form:
B-2 Spirit stealth bomber