Exploration Upper Stage
E65529
The Exploration Upper Stage is a powerful second stage designed to enhance NASA’s Space Launch System rocket’s capability to send heavier payloads and crewed missions deeper into space, including to the Moon and beyond.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Exploration Upper Stage canonical | 8 |
| Cryogenic Upper Stage C25 | 1 |
| Exploration Upper Stage (planned) | 1 |
| Space Launch System upper stage | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T496955 — 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: Exploration Upper Stage Context triple: [Space Launch System, upperStage, Exploration Upper Stage]
-
A.
Interim Cryogenic Propulsion Stage
The Interim Cryogenic Propulsion Stage is a liquid hydrogen–liquid oxygen upper stage used on early NASA Space Launch System missions to provide orbital insertion and translunar injection capability before the introduction of a more powerful exploration upper stage.
-
B.
Atlas-Centaur
Atlas-Centaur was an American expendable launch vehicle family that combined an Atlas booster with a high-energy Centaur upper stage to send payloads, including early interplanetary probes, into space.
-
C.
Orion spacecraft
The Orion spacecraft is NASA’s next-generation crewed space vehicle designed to carry astronauts beyond low Earth orbit on deep-space missions, including journeys to the Moon and eventually Mars.
-
D.
Titan IIIE-Centaur
Titan IIIE-Centaur was a U.S. expendable launch vehicle that combined a Titan III booster with a high-energy Centaur upper stage to send deep-space probes such as Voyager 2 on interplanetary trajectories.
-
E.
LC-39B
LC-39B is a launch pad at NASA’s Kennedy Space Center that has supported major crewed and uncrewed space missions, including Space Shuttle flights and later Space Launch System operations.
- 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: Exploration Upper Stage Target entity description: The Exploration Upper Stage is a powerful second stage designed to enhance NASA’s Space Launch System rocket’s capability to send heavier payloads and crewed missions deeper into space, including to the Moon and beyond.
-
A.
Interim Cryogenic Propulsion Stage
The Interim Cryogenic Propulsion Stage is a liquid hydrogen–liquid oxygen upper stage used on early NASA Space Launch System missions to provide orbital insertion and translunar injection capability before the introduction of a more powerful exploration upper stage.
-
B.
Atlas-Centaur
Atlas-Centaur was an American expendable launch vehicle family that combined an Atlas booster with a high-energy Centaur upper stage to send payloads, including early interplanetary probes, into space.
-
C.
Orion spacecraft
The Orion spacecraft is NASA’s next-generation crewed space vehicle designed to carry astronauts beyond low Earth orbit on deep-space missions, including journeys to the Moon and eventually Mars.
-
D.
Titan IIIE-Centaur
Titan IIIE-Centaur was a U.S. expendable launch vehicle that combined a Titan III booster with a high-energy Centaur upper stage to send deep-space probes such as Voyager 2 on interplanetary trajectories.
-
E.
LC-39B
LC-39B is a launch pad at NASA’s Kennedy Space Center that has supported major crewed and uncrewed space missions, including Space Shuttle flights and later Space Launch System operations.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
rocket upper stage
ⓘ
spacecraft propulsion stage ⓘ |
| agencyProgram |
NASA Artemis program
ⓘ
linked to:
Artemis program
|
| associatedWith | Kennedy Space Center Launch Complex 39B ⓘ |
| countryOfOrigin |
United States
ⓘ
linked to:
United States of America
|
| customer |
NASA Exploration Systems Development Mission Directorate
ⓘ
linked to:
NASA Exploration Systems Mission Directorate
|
| designedBy | Boeing ⓘ |
| designedForMission |
Artemis IV
ⓘ
Artemis V ⓘ Artemis program ⓘ |
| designedForOrbitInsertion |
high-energy escape trajectories
ⓘ
trans-lunar injection ⓘ |
| designedTo |
enable co-manifested payloads with Orion
ⓘ
increase SLS payload capacity to the Moon ⓘ support missions to deep space destinations beyond the Moon ⓘ support missions to lunar Gateway ⓘ |
| designedToOperate | in space vacuum ⓘ |
| designedToSupport | long-duration missions beyond low Earth orbit ⓘ |
| engineType |
RL10C-3
ⓘ
linked to:
RL10
|
| hasFeature |
four-engine configuration
ⓘ
increased propellant capacity compared to ICPS ⓘ multiple restart capability ⓘ |
| intendedFirstUse |
Artemis IV mission
ⓘ
linked to:
Artemis IV
|
| launchVehicle |
Space Launch System Block 1B cargo configuration
ⓘ
Space Launch System Block 1B crew configuration ⓘ
linked to:
Space Launch System
|
| manufacturer | Boeing ⓘ |
| missionProfile | second-stage ascent and translunar injection burns ⓘ |
| numberOfEngines | 4 ⓘ |
| operator | NASA ⓘ |
| partOf |
SLS Block 1B
ⓘ
linked to:
Block 1B Crew
SLS Block 2 ⓘ
linked to:
taller than SLS Block 1
Space Launch System ⓘ |
| programStartApproximate | mid-2010s ⓘ |
| propellantType |
liquid hydrogen
ⓘ
liquid oxygen ⓘ |
| propulsionType | cryogenic ⓘ |
| purpose |
enable crewed missions to the Moon
ⓘ
send heavier payloads beyond low Earth orbit ⓘ support deep space exploration missions ⓘ |
| relatedInfrastructure | Mobile Launcher 2 ⓘ |
| relatedProgram |
Space Launch System program
ⓘ
linked to:
Space Launch System
|
| replaces | Interim Cryogenic Propulsion Stage ⓘ |
| stageNumber | second stage ⓘ |
| status | in development ⓘ |
| usesFuel | liquid hydrogen ⓘ |
| usesOxidizer | liquid oxygen ⓘ |
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: Exploration Upper Stage Description of subject: The Exploration Upper Stage is a powerful second stage designed to enhance NASA’s Space Launch System rocket’s capability to send heavier payloads and crewed missions deeper into space, including to the Moon and beyond.
Referenced by (11)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
SLS
linked to: Exploration Upper Stage
subject linked to:
taller than SLS Block 1
linked to: Exploration Upper Stage
linked to: Exploration Upper Stage