SpaceX CRS-21
E947989
SpaceX CRS-21 was a NASA-contracted Commercial Resupply Services mission that used a Cargo Dragon spacecraft to deliver supplies and experiments to the International Space Station.
All labels observed (2)
| Label | Occurrences |
|---|---|
| CRS-21 | 1 |
| SpaceX CRS-21 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11804730 — 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: SpaceX CRS-21 Context triple: [CRS-20, followedBy, SpaceX CRS-21]
-
A.
SpaceX CRS-18
SpaceX CRS-18 was a NASA-contracted Commercial Resupply Services mission flown by SpaceX’s Dragon spacecraft to deliver cargo and experiments to the International Space Station.
-
B.
SpaceX CRS-10
SpaceX CRS-10 was a NASA-contracted Dragon resupply mission that delivered cargo to the International Space Station as part of SpaceX’s Commercial Resupply Services program.
-
C.
SpaceX CRS-11
SpaceX CRS-11 was a NASA-contracted Commercial Resupply Services mission in 2017 that used a reused Dragon spacecraft to deliver cargo to the International Space Station.
-
D.
SpaceX CRS-9
SpaceX CRS-9 was a NASA-contracted Commercial Resupply Services mission in 2016 that used a Falcon 9 rocket and Dragon spacecraft to deliver cargo and a docking adapter to the International Space Station.
-
E.
SpaceX Cargo Dragon
SpaceX Cargo Dragon is an uncrewed, reusable spacecraft developed by SpaceX to deliver cargo to and from the International Space Station under NASA’s Commercial Resupply Services program.
- 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: SpaceX CRS-21 Target entity description: SpaceX CRS-21 was a NASA-contracted Commercial Resupply Services mission that used a Cargo Dragon spacecraft to deliver supplies and experiments to the International Space Station.
-
A.
SpaceX CRS-18
SpaceX CRS-18 was a NASA-contracted Commercial Resupply Services mission flown by SpaceX’s Dragon spacecraft to deliver cargo and experiments to the International Space Station.
-
B.
SpaceX CRS-10
SpaceX CRS-10 was a NASA-contracted Dragon resupply mission that delivered cargo to the International Space Station as part of SpaceX’s Commercial Resupply Services program.
-
C.
SpaceX CRS-11
SpaceX CRS-11 was a NASA-contracted Commercial Resupply Services mission in 2017 that used a reused Dragon spacecraft to deliver cargo to the International Space Station.
-
D.
SpaceX CRS-9
SpaceX CRS-9 was a NASA-contracted Commercial Resupply Services mission in 2016 that used a Falcon 9 rocket and Dragon spacecraft to deliver cargo and a docking adapter to the International Space Station.
-
E.
SpaceX Cargo Dragon
SpaceX Cargo Dragon is an uncrewed, reusable spacecraft developed by SpaceX to deliver cargo to and from the International Space Station under NASA’s Commercial Resupply Services program.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Commercial Resupply Services mission
ⓘ
cargo resupply mission to the International Space Station ⓘ |
| cargoMassToISS_kg | 2972 ⓘ |
| cargoMassToISS_lb | 6551 ⓘ |
| contractor | SpaceX NERFINISHED ⓘ |
| customer | NASA NERFINISHED ⓘ |
| destination | International Space Station NERFINISHED ⓘ |
| dockingDate | 2020-12-07 ⓘ |
| dockingPort |
Harmony forward International Docking Adapter
NERFINISHED
ⓘ
IDA-2 NERFINISHED ⓘ |
| dockingTimeUTC | 18:40 ⓘ |
| firsts |
first CRS mission using an upgraded Cargo Dragon spacecraft
ⓘ
first operational flight of Cargo Dragon 2 ⓘ |
| followedBy | SpaceX CRS-22 NERFINISHED ⓘ |
| includedPayload |
Nanoracks Bishop Airlock
NERFINISHED
ⓘ
crew supplies ⓘ science experiments ⓘ vehicle hardware ⓘ |
| issExpedition | Expedition 64 NERFINISHED ⓘ |
| issModuleUsedForBerthingOrDocking | Harmony NERFINISHED ⓘ |
| launchCountry |
United States of America
ⓘ
surface form:
United States
|
| launchDate | 2020-12-06 ⓘ |
| launchLocation |
Florida
NERFINISHED
ⓘ
Kennedy Space Center NERFINISHED ⓘ |
| launchSite |
Kennedy Space Center Launch Complex 39A
ⓘ
LC-39A NERFINISHED ⓘ |
| launchTimeUTC |
16:17:08
ⓘ
2020-12-06T16:17:08Z ⓘ |
| launchVehicle | Falcon 9 Block 5 NERFINISHED ⓘ |
| launchVehicleCore | B1058.4 ⓘ |
| missionDesignation | SpX-21 NERFINISHED ⓘ |
| missionType |
ISS logistics resupply
ⓘ
cargo transport ⓘ |
| nasaContract | Commercial Resupply Services Phase 1 NERFINISHED ⓘ |
| operator | SpaceX NERFINISHED ⓘ |
| orbit | Low Earth orbit ⓘ |
| precededBy | SpaceX CRS-20 NERFINISHED ⓘ |
| program | Commercial Resupply Services NERFINISHED ⓘ |
| relatedSpacecraftFamily | Dragon 2 GENERATED ⓘ |
| returnCargoMass_kg | 1950 ⓘ |
| returnCargoMass_lb | 4300 ⓘ |
| reusedHardware | Falcon 9 booster B1058 flown on Demo-2, ANASIS-II, Starlink missions NERFINISHED ⓘ |
| spacecraft | Cargo Dragon C208 NERFINISHED ⓘ |
| spacecraftType | Cargo Dragon 2 NERFINISHED ⓘ |
| splashdownDate | 2021-01-14 ⓘ |
| splashdownLocation | Atlantic Ocean off the coast of Florida ⓘ |
| undockingDate | 2021-01-12 ⓘ |
| undockingTimeUTC | 14:05 ⓘ |
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: SpaceX CRS-21 Description of subject: SpaceX CRS-21 was a NASA-contracted Commercial Resupply Services mission that used a Cargo Dragon spacecraft to deliver supplies and experiments to the International Space Station.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
CRS-21