SS-520-1
E1320908
UNEXPLORED
SS-520-1 was an early test flight of Japan’s SS-520 sounding rocket, used to validate technologies for one of the world’s smallest orbital launch vehicle programs.
All labels observed (3)
How this entity was disambiguated
This entity first appeared as the object of triple T18367137 — 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: SS-520-1 Context triple: [SS-520, launchConfiguration, SS-520-1]
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A.
S-520
S-520 is a Japanese single-stage sounding rocket used primarily for upper-atmosphere and microgravity research missions.
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B.
SS-228
SS-228 is the hull number of USS Drum, a World War II-era U.S. Navy Gato-class submarine now preserved as a museum ship.
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C.
SS-2 Sibling
SS-2 Sibling is the NATO reporting name for the Soviet R-2, an early short-range ballistic missile developed in the late 1940s and 1950s as an improved derivative of the German V-2.
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D.
SS-25
SS-25 is the specific natural gas storage well at the Aliso Canyon facility that was the source of the massive 2015–2016 methane leak in California.
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E.
S-220
S-220 is the hull number of NOAA Ship Fairweather, a National Oceanic and Atmospheric Administration vessel primarily used for hydrographic surveying and seafloor mapping.
- 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: SS-520-1 Target entity description: SS-520-1 was an early test flight of Japan’s SS-520 sounding rocket, used to validate technologies for one of the world’s smallest orbital launch vehicle programs.
-
A.
S-520
S-520 is a Japanese single-stage sounding rocket used primarily for upper-atmosphere and microgravity research missions.
-
B.
SS-228
SS-228 is the hull number of USS Drum, a World War II-era U.S. Navy Gato-class submarine now preserved as a museum ship.
-
C.
SS-2 Sibling
SS-2 Sibling is the NATO reporting name for the Soviet R-2, an early short-range ballistic missile developed in the late 1940s and 1950s as an improved derivative of the German V-2.
-
D.
SS-25
SS-25 is the specific natural gas storage well at the Aliso Canyon facility that was the source of the massive 2015–2016 methane leak in California.
-
E.
S-220
S-220 is the hull number of NOAA Ship Fairweather, a National Oceanic and Atmospheric Administration vessel primarily used for hydrographic surveying and seafloor mapping.
- F. None of above. chosen
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
SS-520 sounding rocket
subject linked to:
SS-520 sounding rocket
linked to: SS-520-1