SgtMaj Lunsford enlisted in the Marine Corps in July 1989. After completion of Recruit Training in 1990 he reported to the School of Infantry and graduated as an 0351 anti-tank Assaultman.
In January 1991 PFC Lunsford received orders to Bravo Company Marine Barracks, Subic Bay Republic of the Philippines. While assigned to B Company, he served as a sentry, Patrol Team Leader, Corporal of the Guard and Sergeant of the Guard.
Upon the closure of Subic Bay Naval Base in November 1992, he was transferred to 1/9 and assigned to Charlie Company as a SMAW gunner and team leader. Post- deployment and as 1/9 was re-designated the 2nd Battalion 1st Marines, Cpl Lunsford was assigned to Weapons Company 2/1 as a Combined Anti-Armor Team squad leader.
In July 1996 Sgt Lunsford reported to Drill Instructor School Parris Island, S.C. Upon graduation of Drill Instructor School, Sgt Lunsford was assigned to Charlie Company, First Recruit Training Battalion. During his tour, he served as a Drill Instructor and Senior Drill Instructor.
In May 1999, SSgt Lunsford received orders to Third Battalion Fifth Marines. While assigned to India Company, he served as a Platoon Sergeant, Platoon Commander, and Company GySgt.
In August 2002, GySgt Lunsford was transferred to Parris Island and assigned to Lima Company 3rd Recruit Training Battalion where he served as a Senior Drill Instructor, Series Gunnery Sergeant and Operations Chief before being assigned as an Instructor at Drill Instructor School. GySgt Lunsford was promoted to First Sergeant in March 2005 and transferred to Echo Company 2nd Recruit Training Battalion as the Company First Sergeant until December 2005.
1stSgt Lunsford reported to 2nd Transportation Support Battalion, 2d MLG, in January 2006 and served as the Company First Sergeant of Beach and Terminal Operations Company and General Support Motor Transport Company until being assigned as the Battalion Sergeant Major for Combat Logistics Battalion 22 from July 2006 until March 2010.
SgtMaj Lunsford was promoted to his current rank in December 2009 and transferred to CLB-8 as the Battalion Sergeant Major from March 2010 to July 2010. SgtMaj Lunsford was later assigned as the Squadron SgtMaj for HMH-464 from July 2010 to May 2012.
From May 2012 to October 2014, SgtMaj Lunsford served as the Detachment SgtMaj for Marine Corps Detachment Ft Lee, Va.
SgtMaj Lunsford reported to his present duty as the Sergeant Major for 8th Marine Regiment on October 9, 2014.