David Partin

Headquarters and Service Company, Camp Geiger, is a key support unit within the School of Infantry-East (SOI-East), United States Marine Corps. Located at Camp Geiger, North Carolina, the company is responsible for providing administrative, logistical, and operational support to the training battalions and staff at SOI-East. Its lineage is rooted in the post-World War II era, as Camp Geiger became a primary center for infantry training and the company evolved to meet expanding support needs. Over the decades, Headquarters and Service Company has played a vital role in sustaining the readiness and effectiveness of thousands of Marines as they transition from recruit training to their operational units.

Camp Johnson, located in North Carolina, is a United States Marine Corps installation that has played a significant role in military training since its establishment during World War II. Originally known as Montford Point, it was the site where the first African American Marines were trained from 1942 to 1949, breaking racial barriers within the Corps. In 1974, the base was renamed in honor of Sergeant Major Gilbert H. "Hashmark" Johnson, one of the first African American Marine Corps sergeants major and a distinguished Montford Point Marine. Today, Camp Johnson serves as a key component of Marine Corps Base Camp Lejeune, hosting various training schools, including the Marine Corps Combat Service Support Schools.

Headquarters Battalion, based at Marine Corps Base Quantico, Virginia, serves as the primary command and administrative unit for the base. Established to provide support to tenant commands and base operations, the Battalion has played a crucial role in facilitating training, logistics, and administrative functions for the Marine Corps since its inception. Over the years, HQ Battalion has supported numerous key Marine Corps schools and institutions located at Quantico, including The Basic School and Marine Corps University. Its mission ensures that Quantico remains the "Crossroads of the Marine Corps," supporting both operational readiness and professional military education.

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.

Marine Corps Recruit Depot (MCRD) Parris Island, South Carolina, was officially established as a Marine training facility in 1915 and has since become one of the most iconic sites for Marine Corps recruit training. During World War I and World War II, the depot played a pivotal role in training hundreds of thousands of Marines for combat. Over the decades, Parris Island has been the primary training location for all enlisted male Marines east of the Mississippi River and for all female Marine recruits nationwide. The depot’s storied legacy is marked by its rigorous training regimen and its lasting contribution to shaping generations of United States Marines.