EELV
E363768
EELV is a U.S. Air Force program that developed a family of cost-effective, reliable expendable rockets—primarily Atlas V and Delta IV—for launching military and government payloads into space.
All labels observed (1)
| Label | Occurrences |
|---|---|
| EELV canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T3492864 — 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: EELV Context triple: [Evolved Expendable Launch Vehicle program, abbreviation, EELV]
-
A.
Green Party of the United States
The Green Party of the United States is a left-wing political party emphasizing environmentalism, social justice, grassroots democracy, and nonviolence.
-
B.
The Greens
The Greens is an Australian environmentalist and progressive political party that contests elections at both state and federal levels, including in Queensland.
-
C.
European Green Party
The European Green Party is a pan-European political party that unites green and progressive parties across Europe around environmental protection, social justice, and pro-European democracy.
-
D.
Alliance 90/The Greens
Alliance 90/The Greens is a German political party known for its environmentalism, progressive social policies, and advocacy for civil rights and sustainability.
-
E.
Greens
The Greens were one of the major chariot racing factions in ancient Rome, known for their passionate supporters and fierce rivalry with other teams such as the Blues.
- 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: EELV Target entity description: EELV is a U.S. Air Force program that developed a family of cost-effective, reliable expendable rockets—primarily Atlas V and Delta IV—for launching military and government payloads into space.
-
A.
Green Party of the United States
The Green Party of the United States is a left-wing political party emphasizing environmentalism, social justice, grassroots democracy, and nonviolence.
-
B.
The Greens
The Greens is an Australian environmentalist and progressive political party that contests elections at both state and federal levels, including in Queensland.
-
C.
European Green Party
The European Green Party is a pan-European political party that unites green and progressive parties across Europe around environmental protection, social justice, and pro-European democracy.
-
D.
Alliance 90/The Greens
Alliance 90/The Greens is a German political party known for its environmentalism, progressive social policies, and advocacy for civil rights and sustainability.
-
E.
Greens
The Greens were one of the major chariot racing factions in ancient Rome, known for their passionate supporters and fierce rivalry with other teams such as the Blues.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
space launch program
ⓘ
space launch program ⓘ |
| abbreviationOf |
Evolved Expendable Launch Vehicle program
ⓘ
surface form:
Evolved Expendable Launch Vehicle
|
| contractor |
Boeing
ⓘ
Lockheed Martin ⓘ United Launch Alliance ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| customer |
NASA
ⓘ
surface form:
National Aeronautics and Space Administration
National Reconnaissance Office ⓘ Department of Defense ⓘ
surface form:
United States Department of Defense
|
| designFeature |
expendable launch stages
ⓘ
modular launch vehicle configurations ⓘ use of common components ⓘ |
| developedFamily |
Atlas V
ⓘ
Delta IV ⓘ Delta IV Heavy ⓘ |
| fullName |
Evolved Expendable Launch Vehicle program
ⓘ
surface form:
Evolved Expendable Launch Vehicle
|
| fundingAgency | United States Air Force ⓘ |
| goal | maintain at least two independent launch systems ⓘ |
| launchSite |
Cape Canaveral Space Force Station
ⓘ
surface form:
Cape Canaveral Air Force Station
Vandenberg Space Force Base ⓘ
surface form:
Vandenberg Air Force Base
|
| launchVehicle |
Atlas V
ⓘ
Delta IV ⓘ Delta IV Heavy ⓘ |
| managingAgency | Air Force Space Command ⓘ |
| missionType | orbital launch ⓘ |
| operator |
United States Air Force
ⓘ
United States Space Force ⓘ |
| payloadType |
military communications satellites
ⓘ
missile warning satellites ⓘ navigation satellites ⓘ reconnaissance satellites ⓘ |
| policyContext | assured access to space for national security payloads ⓘ |
| predecessor |
Atlas II
ⓘ
Delta rocket ⓘ
surface form:
Delta II
Titan IV ⓘ |
| purpose |
improve launch reliability
ⓘ
launch government payloads to space ⓘ launch military payloads to space ⓘ reduce launch costs ⓘ |
| rocketFamilyMember |
Atlas V 401
ⓘ
Atlas V 551 ⓘ Delta IV Heavy ⓘ Delta IV ⓘ
surface form:
Delta IV Medium
|
| startDate | 1990s ⓘ |
| status | restructured and renamed as National Security Space Launch ⓘ |
| successor |
National Security Space Launch (NSSL)
ⓘ
surface form:
National Security Space Launch
|
| technologyBase | liquid-fueled launch vehicles ⓘ |
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: EELV Description of subject: EELV is a U.S. Air Force program that developed a family of cost-effective, reliable expendable rockets—primarily Atlas V and Delta IV—for launching military and government payloads into space.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.