Master Sergeant Brown enlisted in the United States Marine Corps in August 2006. He attended recruit training at Marine Corps Recruit Depot (MCRD), San Diego, CA, with follow-on training at Marine Combat Training, School of Infantry West, where he obtained the MOS of 0811, Cannoneer.
In February of 2007, Private First Class Brown reported to Battery I, 3rd Battalion, 11th Marines in Twentynine Palms, CA. He deployed in support of Operation Iraqi Freedom, Operation Enduring Freedom, and the 31st Marine Expeditionary Unit. During this time, he meritoriously achieved the rank of Sergeant.
In August of 2011, Sergeant Brown attended Recruiter School in MCRD, San Diego, CA. Upon completion, he received orders to serve as a canvassing recruiter at RSS Lawton, RS Oklahoma City, OK, 8th Marine Corps District. During his time as a canvassing recruiter, he meritoriously achieved the rank of Staff Sergeant.
In January of 2015, Staff Sergeant Brown reported to Battery C, 1st Battalion, 10th Marine Regiment, and served as a Platoon Sergeant/Battery Gunnery Sergeant until becoming the Artillery Platoon Sergeant for the first Combined Arms Company, 3rd Battalion, 8th Marines. While in the Combined Arms Company, he deployed in support of the Black Sea Rotational Force to Nova Selo Training Area in Bulgaria.
In February of 2016, Staff Sergeant Brown was assigned as a Platoon Sergeant/Battery Gunnery Sergeant in Btry I, 3rd Battalion, 10th Marines and deployed to Okinawa, Japan in support of the Unit Deployment Program.
In April of 2018, Staff Sergeant Brown received orders to the Marine Detachment Fort Sill, OK. During his time at the schoolhouse, he served as a Basic Cannoneer Instructor, Advanced Cannoneer Instructor, and the Academics SNCOIC. He picked up the rank of Gunnery Sergeant during this tour.
In April of 2021, Gunnery Sergeant Brown reported to 2nd Battalion, 11th Marines and served as the Battery E Gunnery Sergeant for 3 months. In July of that same year, he assumed the role of Fox Battery Battery Gunnery Sergeant for the End User Evaluation (EUE) of the Navy Marine Corps Expeditionary Ship Interdiction System (NMESIS).
In October of 2022, Gunnery Sergeant Brown reported to the Marine Corps Tactical Systems Support Activity (MCTSSA) as the Senior Artillery Cannoneer for the Long Range Fires (LRF) New Equipment Training Team (NETT). During this time, he successfully oversaw the Operational Assessment of the Long Range Fires platform aboard Camp Pendleton, CA, and equipped the United States Marine Corps with its first Medium Ranged Missile Battery (MMSL), MMSL Btry 3d Littoral Combat Team (LCT), 3d Marine Littoral Regiment (MLR) with the NMESIS.
In January of 2024, Gunnery Sergeant Brown reported to MMSL Battery, 3d LCT, 3d MLR as the Battery Gunnery Sergeant. During his time at the LCT, he completed the 8-week-long Initial Operational Testing and Evaluation (IOT&E) of the NMESIS, participated in Rim of the Pacific (RIMPAC) 2024, successfully embarked the MMSL Battery for its first time, and completed Service Level Training Exercise-Hawaii (SLTE-H) aboard Pohakuloa Training Area (PTA). He promoted to Master Sergeant at the end of his tour with the MMSL Battery.
In June of 2025, Master Sergeant Brown reported to Fox Battery, 2nd Battalion, 14th Marines, to serve as the Field Artillery Chief.
Master Sergeant Brown's personal awards include the Navy and Marine Corps Commendation Medal with three gold stars, the Navy and Marine Corps Achievement Medal with three gold stars, and a Combat Action Ribbon. He is also a member of the Honorable Order of Saint Barbara.