Officer Candidates School

E74703

United States Marine Corps school military training institution

Officer Candidates School is the United States Marine Corps’ primary training and evaluation program for screening and preparing prospective Marine officers.

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All labels observed (7)

Label	Occurrences
Officer Candidates School canonical	9
Marine Corps Officer Candidates School	4
Marine Corps Officer Candidates	2
Officer Candidates Course	1
Officer Candidates School (OCS) at Marine Corps Base Quantico	1
Officer Candidates School obstacle course complex	1
Officer Candidates School, Marine Corps Base Quantico	1

How this entity was disambiguated

This entity first appeared as the object of triple T599481 — 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: Officer Candidates School
Context triple: [Marine Corps Base Quantico, hosts, Officer Candidates School]

A. Drill Instructor School
Drill Instructor School is a specialized United States Marine Corps training program that prepares selected Marines to become professional drill instructors responsible for transforming recruits into Marines.
B. Recruit Training Regiment
Recruit Training Regiment is the primary unit responsible for conducting initial entry-level training for new United States Marine Corps recruits at Marine Corps Recruit Depot San Diego.
C. U.S. Army Center for Initial Military Training
The U.S. Army Center for Initial Military Training is the organization responsible for overseeing and standardizing the Army’s basic combat training and initial entry soldier development.
D. U.S. Army Ranger School
U.S. Army Ranger School is an elite, intensive combat leadership course of the U.S. Army that trains soldiers in small-unit tactics, endurance, and survival under extreme conditions.
E. U.S. Army Signal School
The U.S. Army Signal School is the primary training institution responsible for educating and developing soldiers and leaders in military communications, information systems, and cyber-related signal operations for the U.S. Army.
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: Officer Candidates School
Target entity description: Officer Candidates School is the United States Marine Corps’ primary training and evaluation program for screening and preparing prospective Marine officers.

A. Drill Instructor School
Drill Instructor School is a specialized United States Marine Corps training program that prepares selected Marines to become professional drill instructors responsible for transforming recruits into Marines.
B. Recruit Training Regiment
Recruit Training Regiment is the primary unit responsible for conducting initial entry-level training for new United States Marine Corps recruits at Marine Corps Recruit Depot San Diego.
C. U.S. Army Center for Initial Military Training
The U.S. Army Center for Initial Military Training is the organization responsible for overseeing and standardizing the Army’s basic combat training and initial entry soldier development.
D. U.S. Army Ranger School
U.S. Army Ranger School is an elite, intensive combat leadership course of the U.S. Army that trains soldiers in small-unit tactics, endurance, and survival under extreme conditions.
E. U.S. Army Signal School
The U.S. Army Signal School is the primary training institution responsible for educating and developing soldiers and leaders in military communications, information systems, and cyber-related signal operations for the U.S. Army.
F. None of above. chosen

Statements (51)

Predicate	Object
instanceOf	United States Marine Corps school ⓘ military training institution ⓘ
commissioningSourcesServed	Enlisted Commissioning Program ⓘ Meritorious Commissioning Program ⓘ Naval Reserve Officers Training Corps Marine Option ⓘ linked to: Marine Corps option ROTC Officer Candidates Course ⓘ linked to: Officer Candidates School Platoon Leaders Class ⓘ U.S. Naval Academy Marine Option ⓘ linked to: United States Naval Academy
componentOf	Marine Corps officer accession pipeline ⓘ
country	United States of America ⓘ
establishedBy	United States Marine Corps ⓘ
evaluates	ability to lead Marines under stress ⓘ academic performance ⓘ leadership potential ⓘ moral character ⓘ physical performance ⓘ
hasMotto	Ductus Exemplo ⓘ
hasTypeOfCourse	Officer Candidates Course ⓘ Platoon Leaders Class Juniors ⓘ Platoon Leaders Class Seniors ⓘ six-week course ⓘ ten-week course ⓘ
languageOfInstruction	English ⓘ
locatedIn	Marine Corps Base Quantico ⓘ Quantico, Virginia ⓘ
locatedInAdministrativeTerritory	Prince William County, Virginia ⓘ Virginia ⓘ
militaryBranch	United States Marine Corps ⓘ
operatedBy	United States Marine Corps ⓘ
partOf	Training and Education Command ⓘ
primaryMission	screen and evaluate prospective Marine Corps officers ⓘ
secondaryMission	train and prepare officer candidates for commissioning ⓘ
selectionRole	primary screening program for Marine Corps officers ⓘ
shortName	OCS ⓘ
targetStudent	Marine officer candidates ⓘ college graduates ⓘ college students ⓘ enlisted Marines seeking a commission ⓘ
trainingEnvironment	austere ⓘ mentally demanding ⓘ physically demanding ⓘ
trainingFocus	academic instruction ⓘ field exercises ⓘ leadership evaluation ⓘ military skills ⓘ physical fitness ⓘ
translationOfMotto	Leadership by Example ⓘ
usesTrainingArea	Brown Field ⓘ Endurance Course ⓘ Obstacle Course ⓘ The Quigley ⓘ