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MCRD Parris Island


MCRD Parris Island

Eastern Recruiting Region

"We Make Marines"
Sgt. Maj. Joseph Adcox Sergeant Major, Support Battalion

SgtMaj Joseph Adcox was born in Boynton Beach, Florida.  He enlisted in the United States Marine Corps on July 7, 1999 and completed recruit training at MCRD Parris Island graduating from Hotel Company 2nd Recruit Training Battalion earning a meritorious promotion to Private First Class (PFC).  Following recruit training, in October 1999, PFC Adcox reported to the Infantry Training Battalion at the School of Infantry located at Camp Geiger, North Carolina, where he attained the Military Occupational Specialty (MOS) 0311 Infantry Rifleman. 

In December of 1999, PFC Adcox was assigned to 1st Battalion 6th Marines, 2d Marine Division, Camp Lejuene, North Carolina.  Where he served as a rifleman, team leader, and squad leader in both Companies A & C.  Shortly after joining 1st Battalion 6th Marines he was promoted to the rank of Lance Corporal and deployed in June of 2000 to Okinawa, Japan.  While deployed he attended training at the Jungle Warfare Training Center (JWTC) and aboard Camp Fuji.  After the deployment Lance Corporal Adcox participated in the 2d Marine Division Super Squad competition.   At the completion of the competition he was meritoriously promoted to the rank of Corporal.  While in CONUS Corporal Adcox attended training exercises such as the Combined Arms Exercise (CAX) in 29 Palms, California and the Mountain Warfare Training Center (MWTC) in Bridgeport, California.  In December of 2001 he earned a meritorious promotion to the rank of Sergeant at the conclusion of his second Division Super Squad competition.  As a Sergeant he later deployed once again to Okinawa, Japan in July of 2001.  During this deployment he served as an armory custodian and Sergeant of the Guard during Operation Ulchi Focus Lens in Mujuk, South Korea in support of the G8 Summit.  After his return to the States Sergeant Adcox received orders to Marine Corps Drill Instructor School, Marine Corps Recruit Depot, Parris Island, South Carolina and reported in April of 2003.

In August of 2003 Sergeant Adcox reported for duty with 3rd Recruit Training Battalion and was assigned to Company K for duty as a Drill Instructor.  After a year on station Sergeant Adcox was meritoriously promoted to the rank of Staff Sergeant in March of 2005.  As a Staff Sergeant he served as a Senior Drill Instructor and the 3rd Recruit Training Battalion Drill Master until July 2006.

In August 2006, Staff Sergeant Adcox reported to 1st Battalion 3rd Marines, 3d Marine Division, Kaneohe Bay, Hawaii where he deployed with Company C in support of Operation Iraqi Freedom 08.2 in March of 2007 as a Rifle Platoon Sergeant to Haqlaniyah, Iraq within the Haditha Triad.  After his return from the deployment Staff Sergeant Adcox was re-assigned to Company A as the Weapons Platoon Sergeant.  While in this billet he once again deployed in May 2008 in support of Operation Iraqi Freedom serving in such locations as Karmah and Fallujah.   While deployed Staff Sergeant Adcox was promoted to Gunnery Sergeant in December of 2008.  At the conclusion of the deployment Gunnery Sergeant Adcox applied and

was selected to be the Assistant Marine Officer Instructor (AMOI) at Embry-Riddle Aeronautical University Naval Reserve Officer Training Corps Unit (NROTCU) located in Daytona Beach, Florida. 

Prior to his arrival at the NROTCU unit, in April of 2009, Gunnery Sergeant Adcox reported to Officer Candidate School (OCS) in Quantico, VA where he served as a Sergeant Instructor.  Later in August of 2009 Gunnery Sergeant Adcox reported to the NROTCU Embry-Riddle to fulfill his duties and responsibilities.  While here he once again served as a Sergeant Instructor in the summer of 2010 at OCS and a Marine Week Midshipman troop handler in the summer of 2011 at Camp Geiger, NC. 

In August of 2012 GySgt Adcox received orders to Company L 3rd Battalion 7th Marines, 1st Marine Division, 29 Palms, California to serve as the Company Gunnery Sergeant.  Shortly thereafter he was selected to the rank of First Sergeant and was promoted in January 2013.  First Sergeant Adcox was re-assigned as the Company First Sergeant for Company I and deployed in July 2013 to Afghanistan’s Helmand Province in support of Operation Enduring Freedom 13.2 as the Regional Operations Company and Quick Reaction Force for Regimental Command Team (RCT) 7.  After his return in February of 2014 First Sergeant Adcox assumed the duties of the Company First Sergeant of Headquarters and Service Company.  In May of 2015 First Sergeant Adcox deployed once again to the Middle East to support the Special Purpose Marine Air Ground Task Force-Crisis Response (SPMAGTF-CR).  During this deployment he served in locations such as Kuwait and Jordan.  Once he returned from this deployment in October of 2015 he received orders in December of 2015 and reported to Orlando Instructor and Inspector Staff, Motor Transport Company, Combat Logistics Battalion 451, Marine Forces Reserve for duty as the Inspector and Instructor First Sergeant in February of 2016. 

In November of 2017 First Sergeant Adcox was selected to his current rank and assigned as the 2nd Recruit Training Battalion Sergeant Major, Marine Corps Recruit Depot, Parris Island, SC. In April 2019 he assumed his current position as Support Battalion Sergeant Major.

Sergeant Major Adcox has attended various Enlisted Professional Military Education (EPME) schools to include Career Course, Advanced Course, 1stSgt Sergeant Course, the E8 Seminar, and the Air Force Senior Non-Commissioned Officer Academy.  He also holds a Bachelor’s of Science degree in Sports and Health Sciences with a concentration in Athletic Performance from American Military University (AMU).

Sergeant Major Adcox’s personal awards include the Meritorious Service medal, Navy-Marine Corps Commendation Medal (w/ 2 gold stars), the Navy-Marine Corps Achievement Medal (w/ 1 gold star), and the Combat Action Ribbon (w/ 1 gold star).

Sergeant Major Adcox is married to the former Ms. Amanda Lee Cribb from Ringgold, GA and they have two children, Harley Olivia Adcox, and Maddox Ryan Adcox.