309th Aerospace Maintenance and Regeneration Group
E551063
The 309th Aerospace Maintenance and Regeneration Group is a U.S. Air Force unit at Davis–Monthan Air Force Base in Arizona that stores, preserves, and regenerates retired military aircraft, often referred to as “the Boneyard.”
All labels observed (1)
| Label | Occurrences |
|---|---|
| 309th Aerospace Maintenance and Regeneration Group canonical | 6 |
How this entity was disambiguated
This entity first appeared as the object of triple T5857502 — 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: 309th Aerospace Maintenance and Regeneration Group Context triple: [Pima Air and Space Museum, associatedWith, 309th Aerospace Maintenance and Regeneration Group]
-
A.
89th Maintenance Group
The 89th Maintenance Group is a U.S. Air Force unit responsible for providing aircraft maintenance and logistics support, notably for the special airlift missions associated with senior government and military leaders.
-
B.
35th Maintenance Group
The 35th Maintenance Group is a United States Air Force unit responsible for providing aircraft and equipment maintenance support to operational flying units at Misawa Air Base in Japan.
-
C.
325th Maintenance Group
The 325th Maintenance Group is a United States Air Force unit responsible for providing aircraft and equipment maintenance support for operations at Tyndall Air Force Base in Florida.
-
D.
57th Maintenance Group
The 57th Maintenance Group is a United States Air Force unit responsible for providing aircraft and equipment maintenance support to the 57th Wing at Nellis Air Force Base.
-
E.
412th Maintenance Group
The 412th Maintenance Group is a U.S. Air Force unit responsible for providing maintenance and logistical support to the 412th Test Wing’s aircraft and test operations at Edwards Air Force Base.
- 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: 309th Aerospace Maintenance and Regeneration Group Target entity description: The 309th Aerospace Maintenance and Regeneration Group is a U.S. Air Force unit at Davis–Monthan Air Force Base in Arizona that stores, preserves, and regenerates retired military aircraft, often referred to as “the Boneyard.”
-
A.
89th Maintenance Group
The 89th Maintenance Group is a U.S. Air Force unit responsible for providing aircraft maintenance and logistics support, notably for the special airlift missions associated with senior government and military leaders.
-
B.
35th Maintenance Group
The 35th Maintenance Group is a United States Air Force unit responsible for providing aircraft and equipment maintenance support to operational flying units at Misawa Air Base in Japan.
-
C.
325th Maintenance Group
The 325th Maintenance Group is a United States Air Force unit responsible for providing aircraft and equipment maintenance support for operations at Tyndall Air Force Base in Florida.
-
D.
57th Maintenance Group
The 57th Maintenance Group is a United States Air Force unit responsible for providing aircraft and equipment maintenance support to the 57th Wing at Nellis Air Force Base.
-
E.
412th Maintenance Group
The 412th Maintenance Group is a U.S. Air Force unit responsible for providing maintenance and logistical support to the 412th Test Wing’s aircraft and test operations at Edwards Air Force Base.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
United States Air Force unit
ⓘ
aircraft storage and maintenance organization ⓘ |
| climateAdvantage | low humidity for corrosion control ⓘ |
| country | United States of America ⓘ |
| environment | Sonoran Desert ⓘ |
| establishedFor | post–World War II aircraft storage and disposition ⓘ |
| formerlyKnownAs |
Aerospace Maintenance and Regeneration Center
ⓘ
Arizona Aircraft Storage Squadron ⓘ Military Aircraft Storage and Disposition Center ⓘ |
| garrison |
Davis–Monthan Air Force Base
ⓘ
linked to:
Davis-Monthan Air Force Base
|
| groundConditionAdvantage | hard alkaline soil suitable for aircraft parking ⓘ |
| hasCapability |
cannibalizing aircraft for spare parts
ⓘ
demilitarizing aircraft ⓘ disposing of surplus aerospace vehicles ⓘ long-term aircraft preservation ⓘ reactivating stored aircraft ⓘ |
| hasRunwayAccess |
Davis–Monthan Air Force Base airfield
ⓘ
linked to:
Davis-Monthan Air Force Base
|
| locatedIn |
Arizona
ⓘ
Tucson, Arizona ⓘ
linked to:
Tucson
United States of America ⓘ |
| militaryBranch | United States Air Force ⓘ |
| nickname |
AMARG
ⓘ
The Boneyard ⓘ |
| notableFor | being the largest aircraft boneyard in the world ⓘ |
| operatedBy | United States Air Force ⓘ |
| operatesOn |
excess defense materiel
ⓘ
retired military aircraft ⓘ |
| partOf |
Air Force Materiel Command
ⓘ
Ogden Air Logistics Complex ⓘ |
| role |
aerospace vehicle maintenance
ⓘ
aircraft parts reclamation ⓘ aircraft preservation ⓘ aircraft regeneration ⓘ aircraft storage ⓘ missile storage ⓘ |
| storesEquipmentType |
aerospace ground equipment
ⓘ
fixed-wing aircraft ⓘ missiles ⓘ rotary-wing aircraft ⓘ unmanned aerial vehicles ⓘ |
| subordinateTo | Air Force Sustainment Center ⓘ |
| supports |
United States Air Force
ⓘ
United States Army ⓘ United States Marine Corps ⓘ United States Navy ⓘ allied foreign militaries ⓘ other U.S. government agencies ⓘ |
| usesFacilityType |
climate-controlled storage
ⓘ
open-air aircraft storage ⓘ |
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: 309th Aerospace Maintenance and Regeneration Group Description of subject: The 309th Aerospace Maintenance and Regeneration Group is a U.S. Air Force unit at Davis–Monthan Air Force Base in Arizona that stores, preserves, and regenerates retired military aircraft, often referred to as “the Boneyard.”
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
Davis-Monthan Air Force Base
→
notableFacility
→
309th Aerospace Maintenance and Regeneration Group
ⓘ
subject linked to:
DMA