X-40A
E1476626
UNEXPLORED
X-40A is an unmanned, subscale test vehicle developed by Boeing and the U.S. Air Force to validate technologies for the X-37 reusable spaceplane program.
All labels observed (1)
| Label | Occurrences |
|---|---|
| X-40A canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T21292322 — 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: X-40A Context triple: [Boeing X-40A, designation, X-40A]
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A.
X-34
X-34 is an experimental unmanned hypersonic research aircraft developed by Orbital Sciences Corporation to test reusable spaceplane technologies.
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B.
X-20
X-20 was an experimental U.S. Air Force spaceplane project from the early Cold War era intended to test reusable, piloted orbital and suborbital flight before being canceled in the 1960s.
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C.
X-24A
X-24A is an experimental lifting-body research aircraft developed in the late 1960s to study unpowered reentry and landing characteristics for future spaceplane designs.
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D.
X-24B
X-24B is an experimental lifting-body research aircraft developed in the late 1960s–1970s to study unpowered reentry and landing characteristics for future reusable spacecraft.
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E.
X-24
X-24 is an experimental 24-cylinder aircraft engine layout formed by coupling four cylinder banks in an "X" arrangement around a common crankshaft.
- 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: X-40A Target entity description: X-40A is an unmanned, subscale test vehicle developed by Boeing and the U.S. Air Force to validate technologies for the X-37 reusable spaceplane program.
-
A.
X-34
X-34 is an experimental unmanned hypersonic research aircraft developed by Orbital Sciences Corporation to test reusable spaceplane technologies.
-
B.
X-20
X-20 was an experimental U.S. Air Force spaceplane project from the early Cold War era intended to test reusable, piloted orbital and suborbital flight before being canceled in the 1960s.
-
C.
X-24A
X-24A is an experimental lifting-body research aircraft developed in the late 1960s to study unpowered reentry and landing characteristics for future spaceplane designs.
-
D.
X-24B
X-24B is an experimental lifting-body research aircraft developed in the late 1960s–1970s to study unpowered reentry and landing characteristics for future reusable spacecraft.
-
E.
X-24
X-24 is an experimental 24-cylinder aircraft engine layout formed by coupling four cylinder banks in an "X" arrangement around a common crankshaft.
- F. None of above. chosen
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.