Magnetometer Operations Unit
E650640
The Magnetometer Operations Unit is a specialized team within the U.S. Secret Service Uniformed Division responsible for conducting security screening and metal detection operations to protect high-profile sites and individuals.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Magnetometer Operations Unit canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7230759 — 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: Magnetometer Operations Unit Context triple: [Secret Service Uniformed Division, hasUnit, Magnetometer Operations Unit]
-
A.
Fluxgate Magnetometer
A fluxgate magnetometer is a highly sensitive scientific instrument used to measure the strength and direction of magnetic fields, commonly employed on spacecraft and in geophysical surveys.
-
B.
Mars Environmental Dynamics Analyzer
The Mars Environmental Dynamics Analyzer is a suite of weather instruments aboard NASA's Perseverance rover that measures atmospheric conditions and dust on the Martian surface.
-
C.
ALSEP (Apollo Lunar Surface Experiments Package)
The Apollo Lunar Surface Experiments Package (ALSEP) was a suite of scientific instruments deployed by Apollo astronauts on the Moon to conduct long-term studies of the lunar environment, interior, and surface processes.
-
D.
Gamma-Ray and Neutron Spectrometer
The Gamma-Ray and Neutron Spectrometer is a scientific instrument designed to measure gamma rays and neutrons to determine the elemental composition of a planetary surface.
-
E.
Mars Climate Sounder
Mars Climate Sounder is a scientific instrument aboard NASA's Mars Reconnaissance Orbiter that measures the Martian atmosphere’s temperature, dust, and water vapor profiles to study the planet’s climate and weather.
- 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: Magnetometer Operations Unit Target entity description: The Magnetometer Operations Unit is a specialized team within the U.S. Secret Service Uniformed Division responsible for conducting security screening and metal detection operations to protect high-profile sites and individuals.
-
A.
Fluxgate Magnetometer
A fluxgate magnetometer is a highly sensitive scientific instrument used to measure the strength and direction of magnetic fields, commonly employed on spacecraft and in geophysical surveys.
-
B.
Mars Environmental Dynamics Analyzer
The Mars Environmental Dynamics Analyzer is a suite of weather instruments aboard NASA's Perseverance rover that measures atmospheric conditions and dust on the Martian surface.
-
C.
ALSEP (Apollo Lunar Surface Experiments Package)
The Apollo Lunar Surface Experiments Package (ALSEP) was a suite of scientific instruments deployed by Apollo astronauts on the Moon to conduct long-term studies of the lunar environment, interior, and surface processes.
-
D.
Gamma-Ray and Neutron Spectrometer
The Gamma-Ray and Neutron Spectrometer is a scientific instrument designed to measure gamma rays and neutrons to determine the elemental composition of a planetary surface.
-
E.
Mars Climate Sounder
Mars Climate Sounder is a scientific instrument aboard NASA's Mars Reconnaissance Orbiter that measures the Martian atmosphere’s temperature, dust, and water vapor profiles to study the planet’s climate and weather.
- F. None of above. chosen
Statements (39)
| Predicate | Object |
|---|---|
| instanceOf | specialized security unit ⓘ |
| associatedWith | protective missions of the United States Secret Service ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| employs | Uniformed Division officers ⓘ |
| field |
dignitary protection
ⓘ
physical security ⓘ protective security ⓘ |
| focusesOn |
detection of metallic threats
ⓘ
screening of persons entering secure zones ⓘ |
| goal |
ensure integrity of secure perimeters
ⓘ
reduce risk of armed attacks at protected locations ⓘ |
| hasDuty |
access control at protected sites
ⓘ
metal detection operations ⓘ screening at high-risk venues ⓘ screening at special events ⓘ security screening of persons ⓘ support of protective details ⓘ |
| jurisdiction |
United States government
ⓘ
surface form:
federal government of the United States
|
| operatedBy | United States Secret Service NERFINISHED ⓘ |
| operationalEnvironment |
high-profile events
ⓘ
sensitive government facilities ⓘ venues hosting protected persons ⓘ |
| partOf | United States Secret Service Uniformed Division NERFINISHED ⓘ |
| purpose |
prevention of weapons entering secure areas
ⓘ
protection of high-profile individuals ⓘ protection of high-profile sites ⓘ |
| responsibleFor |
establishing security perimeters
ⓘ
operating magnetometer checkpoints ⓘ screening attendees at protected events ⓘ supporting National Special Security Events ⓘ supporting White House security operations ⓘ supporting foreign dignitary visits ⓘ |
| sector | federal law enforcement ⓘ |
| typeOfSecurity |
access control security
ⓘ
preventive security ⓘ |
| uses |
hand-held metal detectors
ⓘ
magnetometers ⓘ portable screening equipment ⓘ walk-through metal detectors ⓘ |
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: Magnetometer Operations Unit Description of subject: The Magnetometer Operations Unit is a specialized team within the U.S. Secret Service Uniformed Division responsible for conducting security screening and metal detection operations to protect high-profile sites and individuals.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.