M777 howitzer
E70301
The M777 howitzer is a lightweight, towed 155mm artillery piece used by the U.S. military and allied forces for long-range, precision fire support.
All labels observed (6)
| Label | Occurrences |
|---|---|
| M777 howitzer canonical | 10 |
| M777 155 mm howitzer | 1 |
| M777 towed howitzer | 1 |
| M777A1 | 1 |
| M777A2 | 1 |
| US Army lightweight 155 mm howitzer program | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T561051 — 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: M777 howitzer Context triple: [11th Marine Regiment, equipment, M777 howitzer]
-
A.
K9 Thunder self-propelled howitzer
The K9 Thunder is a South Korean–developed 155 mm self-propelled howitzer known for its high mobility, rapid rate of fire, and widespread adoption by several modern armies.
-
B.
CAESAR self-propelled howitzer
The CAESAR self-propelled howitzer is a French 155 mm truck-mounted artillery system known for its high mobility, long-range precision fire, and widespread use in modern armies.
-
C.
Krab self-propelled howitzer
The Krab self-propelled howitzer is a modern Polish 155 mm tracked artillery system designed for long-range, high-precision fire support on the battlefield.
-
D.
M-72
M-72 is a state highway in northern Michigan that serves as a key east–west route connecting Traverse City with several inland communities and recreational areas.
-
E.
CV90 infantry fighting vehicle
The CV90 infantry fighting vehicle is a modern, highly mobile, and heavily armed tracked combat vehicle developed by Sweden’s BAE Systems Hägglunds, designed to transport and support infantry on the battlefield with advanced protection and firepower.
- 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: M777 howitzer Target entity description: The M777 howitzer is a lightweight, towed 155mm artillery piece used by the U.S. military and allied forces for long-range, precision fire support.
-
A.
K9 Thunder self-propelled howitzer
The K9 Thunder is a South Korean–developed 155 mm self-propelled howitzer known for its high mobility, rapid rate of fire, and widespread adoption by several modern armies.
-
B.
CAESAR self-propelled howitzer
The CAESAR self-propelled howitzer is a French 155 mm truck-mounted artillery system known for its high mobility, long-range precision fire, and widespread use in modern armies.
-
C.
Krab self-propelled howitzer
The Krab self-propelled howitzer is a modern Polish 155 mm tracked artillery system designed for long-range, high-precision fire support on the battlefield.
-
D.
M-72
M-72 is a state highway in northern Michigan that serves as a key east–west route connecting Traverse City with several inland communities and recreational areas.
-
E.
CV90 infantry fighting vehicle
The CV90 infantry fighting vehicle is a modern, highly mobile, and heavily armed tracked combat vehicle developed by Sweden’s BAE Systems Hägglunds, designed to transport and support infantry on the battlefield with advanced protection and firepower.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
155 mm howitzer
ⓘ
artillery piece ⓘ towed howitzer ⓘ |
| allianceUse |
NATO land forces
ⓘ
surface form:
NATO forces
|
| barrelLength | 39 caliber ⓘ |
| breechType | screw-type breech ⓘ |
| caliber | 155 mm ⓘ |
| canFire |
M982 Excalibur guided projectile
ⓘ
high-explosive projectiles ⓘ illumination projectiles ⓘ smoke projectiles ⓘ |
| conflictUsedIn |
Iraq War
ⓘ
surface form:
Iraq War (post-2003 operations)
Russo-Ukrainian War ⓘ
surface form:
Russian invasion of Ukraine
Syrian Civil War (by coalition partners) ⓘ War in Afghanistan (2001–2021) ⓘ
surface form:
War in Afghanistan
|
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| crew | 7 to 8 soldiers ⓘ |
| designer | BAE Systems ⓘ |
| enteredService | early 2000s ⓘ |
| feature | digital fire-control system in later variants ⓘ |
| hasVariant |
M777 howitzer
self-linksurface differs
ⓘ
surface form:
M777A1
M777 howitzer self-linksurface differs ⓘ
surface form:
M777A2
|
| loading | separate-loading ammunition ⓘ |
| manufacturer |
BAE Systems
ⓘ
Rheinmetall BAE Systems Land ⓘ
surface form:
BAE Systems Land & Armaments
|
| material |
aluminum alloys
ⓘ
titanium ⓘ |
| maximumRange |
approximately 30 km with rocket-assisted projectiles
ⓘ
over 40 km with extended-range guided munitions ⓘ |
| mobility |
air-transportable by fixed-wing aircraft
ⓘ
air-transportable by helicopter ⓘ towed by trucks ⓘ |
| mounting | towed carriage with split trail ⓘ |
| notableFeature | significant weight reduction compared to M198 ⓘ |
| originProgram |
M777 howitzer
self-linksurface differs
ⓘ
surface form:
US Army lightweight 155 mm howitzer program
|
| replaced | M198 howitzer ⓘ |
| role |
indirect fire support
ⓘ
long-range precision fire support ⓘ |
| serviceStatus | in active service ⓘ |
| standardRange | approximately 24 km with standard ammunition ⓘ |
| type | lightweight towed artillery ⓘ |
| usedBy |
Australian Army
ⓘ
British Army ⓘ Canadian Army ⓘ Indian Army ⓘ Ukrainian Armed Forces ⓘ United States Army ⓘ United States Marine Corps ⓘ |
| weightClass | lightweight compared to earlier 155 mm towed howitzers ⓘ |
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: M777 howitzer Description of subject: The M777 howitzer is a lightweight, towed 155mm artillery piece used by the U.S. military and allied forces for long-range, precision fire support.
Referenced by (15)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
M777A1
this entity surface form:
M777A2
this entity surface form:
US Army lightweight 155 mm howitzer program
this entity surface form:
M777 155 mm howitzer
this entity surface form:
M777 towed howitzer
subject surface form:
M982 Excalibur