IUS
E474432
IUS, or Inertial Upper Stage, was a two-stage solid-fueled rocket used by the U.S. Air Force and NASA to boost payloads from low Earth orbit to higher orbits, often deployed from the Space Shuttle.
All labels observed (1)
| Label | Occurrences |
|---|---|
| IUS canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T4861190 — 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: IUS Context triple: [STS-44, abbreviation, IUS]
-
A.
USCJ
USCJ is the central organization supporting and coordinating Conservative Jewish congregations and communities across North America.
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B.
Recht
Recht is a village and district within the municipality of Sankt Vith in the German-speaking region of eastern Belgium.
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C.
LICJ
LICJ is the ICAO airport code for Palermo Airport, the main international gateway serving the city of Palermo in Sicily, Italy.
-
D.
UJ
UJ is a major public university in Johannesburg, South Africa, known for its diverse academic programs and strong focus on research and innovation.
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E.
Institut de Droit International
The Institut de Droit International is a prestigious, independent association of leading international law scholars and practitioners dedicated to the study, development, and codification of international law.
- 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: IUS Target entity description: IUS, or Inertial Upper Stage, was a two-stage solid-fueled rocket used by the U.S. Air Force and NASA to boost payloads from low Earth orbit to higher orbits, often deployed from the Space Shuttle.
-
A.
USCJ
USCJ is the central organization supporting and coordinating Conservative Jewish congregations and communities across North America.
-
B.
Recht
Recht is a village and district within the municipality of Sankt Vith in the German-speaking region of eastern Belgium.
-
C.
LICJ
LICJ is the ICAO airport code for Palermo Airport, the main international gateway serving the city of Palermo in Sicily, Italy.
-
D.
UJ
UJ is a major public university in Johannesburg, South Africa, known for its diverse academic programs and strong focus on research and innovation.
-
E.
Institut de Droit International
The Institut de Droit International is a prestigious, independent association of leading international law scholars and practitioners dedicated to the study, development, and codification of international law.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
expendable upper stage
ⓘ
solid-fueled rocket ⓘ space launch vehicle stage ⓘ |
| abbreviation | IUS NERFINISHED ⓘ |
| controlSystem | hydrazine reaction control system ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| customer |
NASA
NERFINISHED
ⓘ
U.S. Department of Defense NERFINISHED ⓘ |
| developedFor |
deployment from Space Shuttle payload bay
ⓘ
upper stage for Titan launch vehicles ⓘ |
| firstFlightYear | 1982 ⓘ |
| firstStagePropellant | solid propellant ⓘ |
| guidanceSystem | inertial guidance system ⓘ |
| launchSitesUsed |
Cape Canaveral Air Force Station
NERFINISHED
ⓘ
Kennedy Space Center NERFINISHED ⓘ Vandenberg Air Force Base NERFINISHED ⓘ |
| manufacturer |
Boeing
ⓘ
Boeing Defense, Space & Security NERFINISHED ⓘ |
| massClass | approximately 14,000 kilograms fully fueled ⓘ |
| numberOfStages | 2 ⓘ |
| operator |
NASA
ⓘ
United States Air Force ⓘ |
| orbitCapability |
geosynchronous orbit
ⓘ
geosynchronous transfer orbit ⓘ interplanetary escape trajectory ⓘ |
| predecessor | Payload Assist Module NERFINISHED ⓘ |
| primaryMission |
boost payloads from low Earth orbit to higher orbits
ⓘ
injection of spacecraft into geosynchronous transfer orbit ⓘ injection of spacecraft into interplanetary trajectories ⓘ |
| propellantType | hydroxyl-terminated polybutadiene-based solid propellant ⓘ |
| propulsionType | solid rocket motor ⓘ |
| retirementDecade | 2000s ⓘ |
| secondStagePropellant | solid propellant ⓘ |
| stageConfiguration | two-stage solid-fueled upper stage ⓘ |
| status | retired ⓘ |
| usedForMission |
Defense Satellite Communications System launches
ⓘ
Galileo Jupiter orbiter ⓘ Magellan Venus orbiter NERFINISHED ⓘ Milstar communications satellite launches ⓘ Navstar GPS satellite launches ⓘ Tracking and Data Relay Satellite launches ⓘ Ulysses solar polar mission NERFINISHED ⓘ |
| usedOnVehicle |
Space Shuttle
NERFINISHED
ⓘ
Titan 34D NERFINISHED ⓘ Titan IV NERFINISHED ⓘ |
| usedWithProgram |
Space Shuttle program
NERFINISHED
ⓘ
Titan IV launch program NERFINISHED ⓘ |
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: IUS Description of subject: IUS, or Inertial Upper Stage, was a two-stage solid-fueled rocket used by the U.S. Air Force and NASA to boost payloads from low Earth orbit to higher orbits, often deployed from the Space Shuttle.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.