Apollo Lunar Module

E51554

NASA spacecraft lunar lander spacecraft

The Apollo Lunar Module was the two-stage spacecraft used by NASA during the Apollo missions to land astronauts on the Moon and return them to lunar orbit.

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All labels observed (19)

Label	Occurrences
Apollo Lunar Module canonical	6
Apollo 11 Lunar Module Eagle	3
Lunar Excursion Module	3
Lunar Module Orion	3
Apollo Lunar Module Orion	2
Apollo lunar module	2
Challenger (Apollo 17 LM)	2
Apollo 13 Lunar Module Aquarius	1
Apollo CSM and LM	1
Apollo Lunar Module (in low Earth orbit tests)	1
Apollo Lunar Module Block II	1
Apollo Lunar Module Falcon	1
Apollo Lunar Module Intrepid	1
Grumman Lunar Module	1
Lunar Module	1
Lunar Module Test Article (boilerplate) LM-2	1
Lunar Module descent stage	1
Orion (Apollo 16 LM)	1
Spider for Lunar Module	1

How this entity was disambiguated

This entity first appeared as the object of triple T363982 — 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: Apollo Lunar Module
Context triple: [Apollo program, spacecraftType, Apollo Lunar Module]

A. Apollo command and service module
The Apollo command and service module was the main crewed spacecraft used in NASA’s Apollo lunar missions, housing astronauts, life support, navigation, and propulsion systems for travel to and from the Moon.
B. Apollo 12
Apollo 12 was NASA’s second crewed mission to land humans on the Moon, notable for its precise landing near the Surveyor 3 probe in November 1969.
C. Apollo 14
Apollo 14 was NASA’s 1971 crewed mission that successfully returned astronauts to the Moon, notable for precision lunar landing and extensive surface exploration following the Apollo 13 accident.
D. Apollo 15
Apollo 15 was a 1971 NASA crewed mission that conducted extended scientific exploration of the Moon, including the first use of the Lunar Roving Vehicle on the lunar surface.
E. Gemini 8
Gemini 8 was a 1966 NASA crewed spaceflight in the Gemini program, notable for achieving the first successful docking of two spacecraft in orbit and for a critical in-flight emergency that tested astronaut Neil Armstrong’s piloting skills.
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: Apollo Lunar Module
Target entity description: The Apollo Lunar Module was the two-stage spacecraft used by NASA during the Apollo missions to land astronauts on the Moon and return them to lunar orbit.

A. Apollo command and service module
The Apollo command and service module was the main crewed spacecraft used in NASA’s Apollo lunar missions, housing astronauts, life support, navigation, and propulsion systems for travel to and from the Moon.
B. Apollo 12
Apollo 12 was NASA’s second crewed mission to land humans on the Moon, notable for its precise landing near the Surveyor 3 probe in November 1969.
C. Apollo 14
Apollo 14 was NASA’s 1971 crewed mission that successfully returned astronauts to the Moon, notable for precision lunar landing and extensive surface exploration following the Apollo 13 accident.
D. Apollo 15
Apollo 15 was a 1971 NASA crewed mission that conducted extended scientific exploration of the Moon, including the first use of the Lunar Roving Vehicle on the lunar surface.
E. Gemini 8
Gemini 8 was a 1966 NASA crewed spaceflight in the Gemini program, notable for achieving the first successful docking of two spacecraft in orbit and for a critical in-flight emergency that tested astronaut Neil Armstrong’s piloting skills.
F. None of above. chosen

Statements (49)

Predicate	Object
instanceOf	NASA spacecraft ⓘ lunar lander ⓘ spacecraft ⓘ
abbreviation	LM ⓘ
alternateName	Lunar Excursion Module ⓘ linked to: Apollo Lunar Module
countryOfOrigin	United States ⓘ linked to: United States of America
crewCapacity	2 astronauts ⓘ
crewCompartmentPressure	pure oxygen atmosphere ⓘ
design	two-stage configuration ⓘ
designedForAtmosphericFlight	no ⓘ
developmentStart	early 1960s ⓘ
dockingInterface	Apollo Command and Service Module ⓘ linked to: Apollo command and service module
earlierAbbreviation	LEM ⓘ
firstCrewedFlight	Apollo 9 ⓘ
firstLunarLandingMission	Apollo 11 ⓘ
guidanceSystem	Apollo Guidance Computer ⓘ
hasPart	ascent stage ⓘ descent stage ⓘ
historicalSignificance	first crewed vehicle to land humans on another celestial body ⓘ
landingGear	four-legged landing gear with crushable honeycomb ⓘ
launchVehicle	Saturn V ⓘ
manufacturer	Grumman Aircraft Engineering Corporation ⓘ linked to: Grumman
missionDurationCapability	about 75 hours on lunar surface ⓘ
museumExhibit	Cradle of Aviation Museum, Long Island ⓘ linked to: Cradle of Aviation Museum National Air and Space Museum, Washington, D.C. ⓘ
notableMission	Apollo 11 ⓘ Apollo 12 ⓘ Apollo 13 ⓘ Apollo 14 ⓘ Apollo 15 ⓘ Apollo 16 ⓘ Apollo 17 ⓘ
numberBuilt	13 flight-ready vehicles ⓘ
numberFlownToMoon	10 ⓘ
numberLandedOnMoon	6 ⓘ
operationalEnvironment	vacuum only ⓘ
operator	NASA ⓘ
powerSource	batteries ⓘ
primaryFunction	ascent from Moon to lunar orbit ⓘ crew lunar landing ⓘ
program	Apollo program ⓘ
propulsionType	hypergolic rocket engines ⓘ
roleInApollo13	lifeboat for crew survival ⓘ
shape	faceted, non-aerodynamic structure ⓘ
status	retired ⓘ
successor	none (program cancelled after Apollo) ⓘ
usedFor	Apollo crewed lunar missions ⓘ linked to: Apollo program Moon landing ⓘ lunar orbit rendezvous ⓘ

How these facts were elicited