First Sergeant Ellison reported for recruit training in October 1994 at Marine Corps Recruit Depot (MCRD)in Parris Island, South Carolina. Upon completing recruit training; Private First Class Ellison attended Marine Combat Training at Camp Gieger and the Motor Transport School at Camp Johnson. Upon completion, he was assigned the MOS 3531 Motor Vehicle Operator.
In April 1998 Sergeant Ellison attended Vehicle recovery Course 2-98. Upon completion of Vehicle recovery Course, he returned back to 8th Engineers as the Platoon Sergeant for 140 Marines. In August 1998 he attended the Sergeant’s Course 7-98. Upon completion, he was assigned to Operation Fundamental Relief JTF Full Provider 1998 (Disaster Relief) Central America. In April 1999 was assigned to HQ BN 3d FSSG, Okinawa Japan for three years. Sergeant Ellison held the billets of BN color Sergeant for 3d FSSG, Line NCO, Hazmat NCO and Operations chief. In June 2000 he deployed with CSSD-32 Ulchi Focus Lens 2000 as Operations Chief.
In June 2002Staff Sergeant Ellison was then transferred to Field Medical Service School as the Motor Transport Chief. He was then sent to Formal Instruction School to become an instructor. He completed that school then began to instruct Navy Corpsman on Military studies. He was also the Motor transport Chief at the same time. In October 2003, he attended Staff Academy 1-04. He was named instructor of the quarter.
In January 2003 Staff Sergeant Ellison was then transferred to Bravo Battery 1st Battalion 10th Marines as the Motor Transport Chief. Deployed with the 24th MEU in June 2004 to Operation Iraq Freedom II. Requested orders to the Drill Field.
In July 2005 Staff Sergeant Ellison was then transferred to Drill Instructor School, Parris Island, SC, graduated September 2005, assigned to Hotel Company 2nd Recruit Training Battalion where he served as 4th hat, 3rd hat, and EDI. SNM did his quota at RPC receiving where he was a Night Senior Drill Instructor, after quota went back to Hotel Company as a Senior Drill Instructor. Promoted to Gunnery Sergeant October 2007. After being promoted transferred to Golf Company as the Series Gunnery Sergeant and did three cycles.
In October 2008 Gunnery Sergeant Ellison was assigned to Head Quarters Battalion Truck Company Bravo, as the Truck Master. Gunnery Sergeant Ellison reported to 1st Battalion 6th Marines (TAD) as the Motor Transport Chief May 5, 2009. While on deployment to Afghanistan, he was assigned as the Battalion Logistics Chief December 29, 2009 to 24 August 2010. Gunnery Sergeant Ellison reported back to Headquarters Battalion; Truck Company Bravo as Company 1stSgt.
In February 2011 First Sergeant Ellison was assigned to 3d BN 10th Marines Battery K. Deployed with Kilo Battery in support of Unit Deployment Program May 2011 to Oct 2011 Okinawa Japan.
In October 2012 First Sergeant Ellison was assigned to 1stBN 4th Marines Company A.