Titan IIID
E584442
Titan IIID was an American expendable launch vehicle developed from the Titan III family, primarily used by the U.S. Air Force in the 1970s and 1980s to place heavy reconnaissance and military satellites into low Earth orbit.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Titan IIID canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T6140331 — 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: Titan IIID Context triple: [Titan IIIC, successor, Titan IIID]
-
A.
Titan III
Titan III was a family of American expendable launch vehicles developed during the Cold War era to support heavy military and civilian payloads into Earth orbit and beyond.
-
B.
Titan IIIE
Titan IIIE was a U.S. expendable launch vehicle variant of the Titan III family, equipped with a Centaur upper stage and used in the 1970s to send deep-space probes such as Voyager 1 on interplanetary trajectories.
-
C.
Titan I
Titan I was the United States’ first-generation liquid-fueled intercontinental ballistic missile, later adapted as an early space launch vehicle during the Cold War.
-
D.
Titan II GLV
Titan II GLV was a modified two-stage Titan II intercontinental ballistic missile used by NASA as the launch vehicle for all crewed Gemini spacecraft during the mid-1960s.
-
E.
Titan 34D
Titan 34D was an American expendable launch vehicle developed from earlier Titan rockets and used primarily in the 1980s to launch military and reconnaissance payloads into orbit.
- 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: Titan IIID Target entity description: Titan IIID was an American expendable launch vehicle developed from the Titan III family, primarily used by the U.S. Air Force in the 1970s and 1980s to place heavy reconnaissance and military satellites into low Earth orbit.
-
A.
Titan III
Titan III was a family of American expendable launch vehicles developed during the Cold War era to support heavy military and civilian payloads into Earth orbit and beyond.
-
B.
Titan IIIE
Titan IIIE was a U.S. expendable launch vehicle variant of the Titan III family, equipped with a Centaur upper stage and used in the 1970s to send deep-space probes such as Voyager 1 on interplanetary trajectories.
-
C.
Titan I
Titan I was the United States’ first-generation liquid-fueled intercontinental ballistic missile, later adapted as an early space launch vehicle during the Cold War.
-
D.
Titan II GLV
Titan II GLV was a modified two-stage Titan II intercontinental ballistic missile used by NASA as the launch vehicle for all crewed Gemini spacecraft during the mid-1960s.
-
E.
Titan 34D
Titan 34D was an American expendable launch vehicle developed from earlier Titan rockets and used primarily in the 1980s to launch military and reconnaissance payloads into orbit.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
expendable launch vehicle
ⓘ
orbital launch vehicle ⓘ |
| alsoKnownAs | Titan 3D NERFINISHED ⓘ |
| coreEngineType |
LR-87
NERFINISHED
ⓘ
LR-91 NERFINISHED ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| customer | National Reconnaissance Office NERFINISHED ⓘ |
| designedFor | polar orbit launches from Vandenberg ⓘ |
| developedFrom |
Titan III family
NERFINISHED
ⓘ
Titan IIIC NERFINISHED ⓘ |
| failureRate | 0 ⓘ |
| family | Titan rocket family NERFINISHED ⓘ |
| firstFlightDate | 1971-06-15 ⓘ |
| fuelTypeFirstStage | Aerozine 50 ⓘ |
| fuelTypeSecondStage | Aerozine 50 ⓘ |
| lastFlightDate | 1982-09-05 ⓘ |
| launchAzimuthRange | polar and near-polar orbits ⓘ |
| launchConfiguration | two solid rocket motors attached to Titan IIIC core without transtage ⓘ |
| launches | 22 ⓘ |
| launchMass | approximately 620000 kilograms ⓘ |
| launchSite |
Vandenberg Air Force Base
NERFINISHED
ⓘ
Vandenberg Air Force Base Space Launch Complex 4E NERFINISHED ⓘ |
| length | approximately 42 meters ⓘ |
| manufacturer | Martin Marietta NERFINISHED ⓘ |
| numberOfStages | 2 ⓘ |
| operationalPeriodEnd | 1982 ⓘ |
| operationalPeriodStart | 1971 ⓘ |
| operator | United States Air Force ⓘ |
| orbitType | low Earth orbit ⓘ |
| oxidizerFirstStage | nitrogen tetroxide ⓘ |
| oxidizerSecondStage | nitrogen tetroxide ⓘ |
| payloadToLEO | approximately 13600 kilograms ⓘ |
| primaryMission |
launch heavy reconnaissance satellites
ⓘ
launch military satellites ⓘ |
| program | U.S. reconnaissance satellite program ⓘ |
| propulsionType |
liquid-fueled core stage
ⓘ
solid rocket boosters ⓘ |
| solidBoosterPropellant | polybutadiene acrylonitrile-based solid propellant ⓘ |
| status | retired ⓘ |
| successfulLaunches | 22 ⓘ |
| successor | Titan 34D NERFINISHED ⓘ |
| upperStage | none ⓘ |
| usedBy | United States Air Force ⓘ |
| usedDuring | Cold War ⓘ |
| usedFor |
KH-11 Kennen reconnaissance satellites
NERFINISHED
ⓘ
KH-9 Hexagon reconnaissance satellites 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: Titan IIID Description of subject: Titan IIID was an American expendable launch vehicle developed from the Titan III family, primarily used by the U.S. Air Force in the 1970s and 1980s to place heavy reconnaissance and military satellites into low Earth orbit.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Titan III