Mercury spacecraft Freedom 7
E548696
Mercury spacecraft Freedom 7 was the capsule that carried astronaut Alan Shepard on the first American crewed spaceflight in 1961.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Alan Shepard’s Freedom 7 capsule | 1 |
| Mercury spacecraft Freedom 7 canonical | 1 |
| Mercury spacecraft No. 7 | 1 |
| Project Mercury mission MR-3 (Freedom 7) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5817481 — 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: Mercury spacecraft Freedom 7 Context triple: [Mercury-Redstone 3, spacecraft, Mercury spacecraft Freedom 7]
-
A.
Mercury spacecraft
The Mercury spacecraft was NASA’s first crewed space vehicle, designed in the early 1960s to carry a single astronaut into Earth orbit and safely return them, paving the way for later Gemini and Apollo missions.
-
B.
Friendship 7
Friendship 7 was the Mercury spacecraft in which astronaut John Glenn became the first American to orbit the Earth in 1962.
-
C.
Gemini spacecraft
The Gemini spacecraft was NASA’s two-person capsule used in the mid-1960s to develop critical spaceflight techniques such as orbital rendezvous, docking, and extended missions in preparation for the Apollo Moon landings.
-
D.
Mercury-Atlas 7
Mercury-Atlas 7 was a 1962 NASA crewed spaceflight that carried astronaut Scott Carpenter into Earth orbit as part of Project Mercury, advancing the United States’ early human spaceflight efforts.
-
E.
Mercury-Redstone 4
Mercury-Redstone 4 was NASA’s second crewed Mercury mission, which carried astronaut Gus Grissom on a suborbital flight in 1961 and is known for the premature hatch blow that led to the loss of the Liberty Bell 7 capsule.
- 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: Mercury spacecraft Freedom 7 Target entity description: Mercury spacecraft Freedom 7 was the capsule that carried astronaut Alan Shepard on the first American crewed spaceflight in 1961.
-
A.
Mercury spacecraft
The Mercury spacecraft was NASA’s first crewed space vehicle, designed in the early 1960s to carry a single astronaut into Earth orbit and safely return them, paving the way for later Gemini and Apollo missions.
-
B.
Friendship 7
Friendship 7 was the Mercury spacecraft in which astronaut John Glenn became the first American to orbit the Earth in 1962.
-
C.
Gemini spacecraft
The Gemini spacecraft was NASA’s two-person capsule used in the mid-1960s to develop critical spaceflight techniques such as orbital rendezvous, docking, and extended missions in preparation for the Apollo Moon landings.
-
D.
Mercury-Atlas 7
Mercury-Atlas 7 was a 1962 NASA crewed spaceflight that carried astronaut Scott Carpenter into Earth orbit as part of Project Mercury, advancing the United States’ early human spaceflight efforts.
-
E.
Mercury-Redstone 4
Mercury-Redstone 4 was NASA’s second crewed Mercury mission, which carried astronaut Gus Grissom on a suborbital flight in 1961 and is known for the premature hatch blow that led to the loss of the Liberty Bell 7 capsule.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf | Mercury spacecraft ⓘ |
| apogee |
about 116.5 miles
ⓘ
about 187.5 kilometers ⓘ |
| astronautRole | pilot ⓘ |
| callSign | Freedom 7 NERFINISHED ⓘ |
| capsuleNumber | Mercury spacecraft No. 7 NERFINISHED ⓘ |
| carriedAstronaut | Alan Shepard NERFINISHED ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| crewCompartmentVolume |
about 1.7 cubic meters
ⓘ
about 60 cubic feet ⓘ |
| crewSize | 1 ⓘ |
| currentCity | Boston NERFINISHED ⓘ |
| currentCountry | United States NERFINISHED ⓘ |
| currentLocation | John F. Kennedy Presidential Library and Museum NERFINISHED ⓘ |
| currentState | Massachusetts NERFINISHED ⓘ |
| downrangeDistance |
about 302 miles
ⓘ
about 486 kilometers ⓘ |
| firstAmericanCrewedSpaceflight | true ⓘ |
| firstUSHumanSpaceflight | true ⓘ |
| flightDurationMinutes | 15 ⓘ |
| flightDurationSeconds | 28 ⓘ |
| followedBy | Liberty Bell 7 NERFINISHED ⓘ |
| heatShieldType | ablative heat shield ⓘ |
| landingMethod | ocean splashdown ⓘ |
| launchComplex | Launch Complex 5 NERFINISHED ⓘ |
| launchDate | 1961-05-05 ⓘ |
| launchSite | Cape Canaveral NERFINISHED ⓘ |
| launchVehicle | Redstone rocket NERFINISHED ⓘ |
| launchYear | 1961 ⓘ |
| manufacturer | McDonnell Aircraft Corporation NERFINISHED ⓘ |
| missionDuration | about 15 minutes ⓘ |
| missionName | Mercury-Redstone 3 NERFINISHED ⓘ |
| missionType | suborbital spaceflight ⓘ |
| namedBy | Alan Shepard NERFINISHED ⓘ |
| nameMeaning | symbolized individual freedom and Project Mercury’s seven astronauts ⓘ |
| operator | NASA ⓘ |
| precededBy | uncrewed Mercury test flights ⓘ |
| primaryMissionObjective |
demonstrate manned spaceflight capability
ⓘ
study human performance in space ⓘ |
| program | Project Mercury NERFINISHED ⓘ |
| recoveryMethod | U.S. Navy recovery ⓘ |
| recoveryShip | USS Lake Champlain NERFINISHED ⓘ |
| reentryMethod | ballistic reentry ⓘ |
| spacecraftMass |
about 1,940 kilograms
ⓘ
about 4,280 pounds ⓘ |
| spacecraftSeries | Mercury spacecraft NERFINISHED ⓘ |
| status | retired ⓘ |
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: Mercury spacecraft Freedom 7 Description of subject: Mercury spacecraft Freedom 7 was the capsule that carried astronaut Alan Shepard on the first American crewed spaceflight in 1961.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Mercury spacecraft No. 7
this entity surface form:
Project Mercury mission MR-3 (Freedom 7)
this entity surface form:
Alan Shepard’s Freedom 7 capsule