About this Unit
Headquarters and Service Company (HqSvc Co), Officer Candidates School (OCS), Marine Corps Development and Education Command (MCDEC), Quantico, Virginia, has played a key support role in the training and evaluation of future Marine Corps officers. Established to provide administrative, logistical, and operational assistance, HqSvc Co ensures the smooth functioning of OCS programs. Throughout its history, the unit has facilitated the rigorous screening and preparation of officer candidates, upholding the traditions and standards of the Marine Corps. Stationed at Quantico—known as the “Crossroads of the Marine Corps”—HqSvc Co remains integral to the development of Marine leaders.
Historical Facts
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Historic Roots: Headquarters and Service Company (HqSvc Co), Officer Candidate School (OCS), Marine Corps Development and Education Command (MCDEC), Quantico, VA, traces its lineage back to the earliest Marine officer training programs at Quantico during World War I.
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OCS Mission: The HqSvc Co supports the OCS mission of evaluating and training future Marine Corps officers, ensuring candidates meet the rigorous standards of leadership and physical fitness required to lead Marines.
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MCDEC Evolution: The MCDEC, now known as Training and Education Command (TECOM), was responsible for developing Marine Corps doctrine, tactics, and education at Quantico, and HqSvc Co played a crucial support role.
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Historic Location: Quantico, known as the "Crossroads of the Marine Corps," has hosted officer training since 1917, with HqSvc Co facilitating logistics, administration, and daily operations.
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Supporting Iconic Training: HqSvc Co has supported famous OCS events like the Combat Course and the Endurance Course, which test candidates’ resolve and leadership under stress.
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Legendary Alumni: Many notable Marine officers, including Medal of Honor recipients and Commandants of the Marine Corps, have passed through OCS Quantico with support from HqSvc Co personnel.
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Women in Leadership: HqSvc Co helped facilitate the integration of women into officer training programs, beginning in the 1940s and expanding significantly in the decades since.
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Parade Traditions: The company supports ceremonial events and parades, including the famous OCS graduation parade that marks a candidate’s transition to Marine officer.
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Unique Patch: Members of HqSvc Co have worn unique unit insignia and patches, reflecting their pride in supporting one of the Corps’ most vital training missions.
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Community Service: Marines and staff of HqSvc Co have a long tradition of participating in community outreach in the Quantico and wider Virginia area, strengthening civilian-military relations.
