Sergeant Major Lucas attended Recruit Training at Marine Corps Recruit Depot, San Diego, California in August 1989. Upon graduating from Recruit Training, Sergeant Major Lucas reported to Camp Pendleton, California for Marine Combat Training. Sergeant Major Lucas attended Basic Warehousing School at Marine Corps Base, Albany, Georgia, for military occupational specialty (MOS) training as a Basic Warehouseman.
Completing training in September 1990, Sergeant Major Lucas reported to 3d FSSG, Okinawa Japan, for duty with the 9th Motor Transportation Platoon. During this tour of duty, Sergeant Major Lucas was transferred to Marine Corps Base, Okinawa Japan where he served as warehouse clerk and assistant warehouse chief.
In October 1994 Sergeant Major Lucas transferred to CSSG-3, Kaneohe Bay, Hawaii. During this tour of duty, Sergeant Major Lucas served as the assistant warehouse chief and warehouse chief for Headquarters and Service Company, Training Allowance Pool.
In June 1997 Sergeant Major Lucas was assigned to Marine Corps Security Forces Battalion, Norfolk, Virginia. During this tour of duty, Sergeant Major Lucas served as the assistant warehouse chief and warehouse chief for Marine Corps Security Forces Company, Battalion Supply.
In June 2000, Sergeant Major Lucas transferred to Drill Instructor School at Marine Corps Recruit Depot, San Diego, California. Sergeant Major Lucas graduated from Drill Instructor School in September of 2000 and was assigned to 3rd Recruit Training Battalion, Company K. Sergeant Major Lucas was promoted to Staff Sergeant in November 2000. During his tour he served as a Drill Instructor, Senior Drill Instructor and Series Chief Drill Instructor.
In June 2004, Sergeant Major Lucas reported to 3d FSSG, Okinawa Japan where he was furthered assigned to 3d Material Readiness Battalion, Medical Logistics Company. Sergeant Major Lucas served as the Warehouse Chief, Equal Opportunity Officer and the Substance Abuse Control Officer.
In October 2005 Sergeant Major Lucas was assigned to CLR-35, Regimental Headquarters Company where he served as the Company Gunnery Sergeant.
In June 2006 Sergeant Major Lucas was assigned to 9th Engineer Support Battalion as an individual augment. In August 2006 he deployed with 9th Engineer Support Battalion in support of OIF. During the deployment he served as the Logistics Chief for Headquarters and Service Company.
In March 2007 Sergeant Major Lucas was reassigned to CLR-35, Regimental Headquarters Company as the Company Gunnery Sergeant.
In December 2008 Sergeant Major Lucas was selected to First Sergeant and was reassigned to Ordnance Maintenance Company, CLR-35 Maintenance Battalion.
In August 2009 Sergeant Major Lucas was reassigned to 3rd Battalion 5th Marines, Company L. In September 2010 Sergeant Major Lucas deployed to Sangin, Afghanistan in support of Operation Enduring Freedom 10-2.
In April 2012 Sergeant Major Lucas was reassigned to 1st Recruit Training Battalion, Marine Corps Recruit Depot San Diego, CA where he served as the Company First Sergeant for Company D.
In November 2013 he was selected to the rank of Sergeant Major and reassigned to HMLA-267, MAG-39, 3D MAW, Camp Pendleton CA as the Squadron Sergeant Major.
In December 2015 he was reassigned to CLB-23, CLR-4, where he currently serves as the I&I Sergeant Major.
Sergeant Major Lucas personnel awards include Bronze Star, Meritorious Service Medal, Navy and Marine Corps Commendation Medal in lieu of Second Award, Navy and Marine Corps Achievement Medal in lieu of Third Award and Combat Action Ribbon.