Gunnery Sergeant Sandoval enlisted in January 2002 and attended recruit training at 2nd Recruit Training Battalion, Fox Company, Marine Corps Recruit Depot (MCRD) San Diego, CA. After graduating from Recruit Training as a squad leader he was meritoriously promoted to Private First Class. Upon completion of recruit training, Gunnery Sergeant Sandoval attended and completed Marine Combat Training at the School of Infantry West, Camp Pendleton, CA.
In May 2002, Gunnery Sergeant Sandoval reported to Fort Leonard Wood, Missouri for Motor Transportation Military Occupational Specialty (MOS) School. In June 2002, Gunnery Sergeant graduated from Motor Vehicle Operators Course (MVOC) and earned the MOS of 3531, Motor Transportation Operator. Upon completion from his MOS School, Gunnery Sergeant Sandoval received orders to 1st Battalion 8th Marine Regiment in Camp Lejeune, NC. Upon his arrival to 1/8, he was assigned to Truck Company and was promoted to Lance Corporal in November 2002. In May 2003, Gunnery Sergeant Sandoval was assigned to 4th Marine Expeditionary Brigade, Anti-Terrorism Battalion in Camp Lejeune, NC. He was promoted to Corporal in August of 2003. In February 2005, Gunnery Sergeant Sandoval deployed to Iraq in support of Operation Iraqi Freedom. During this deployment he was promoted to Sergeant in June of 2005 and served as a Personal Security Detail (PSD) member for II Marine Expeditionary Force, Commanding General and Sergeant Major.
In February 2006, Gunnery Sergeant was assigned to Headquarters and Service Battalion, Marine Forces Pacific, Camp H. M. Smith, HI. While assigned to this command Gunnery Sergeant Sandoval served as a Motor Transportation Chief and Platoon Sergeant. In April 2006, Gunnery Sergeant Sandoval attended and graduated the Marine Corps Martial Arts Program (MCMAP) Instructors Course and earned the additional MOS of 8551. In August 2006, he deployed to Camp Baran, Republic of Korea in support of Ulchi Focus Lens (UFL). In February 2007, he attended the Motor Transport Non-Commissioned Officer Course in Camp Johnson, NC.
In July 2008, Gunnery Sergeant Sandoval received orders to Drill Instructor School at MCRD San Diego, CA. After graduating as Honor man, he was assigned to Charlie Company, 1st Recruit Training Battalion where he served as a Drill Instructor, Senior Drill Instructor, Chief Drill Instructor, and Battalion Operations Chief. While serving as a Drill Instructor he was promoted to Staff Sergeant in January of 2009.
In February 2012, Gunnery Sergeant Sandoval reported to Combat Logistics Regiment 1 in Camp Pendleton, CA where he assumed duties as the Regimental Operations Chief and Motor Transportation Chief. Gunnery Sergeant Sandoval served as the Combat Operations Center Watch Chief for Exercise’s Dawn Blitz, Steel Knight, Desert Scimitar and Pacific Horizon aboard Marine Corps Air Ground Combat Center in Twentynine Palms, CA.
In October 2012, Gunnery Sergeant Sandoval attended the Career Course at the Staff Non-Commissioned Officer Academy in Camp Pendleton, CA. In December 2012, Gunnery Sergeant graduated the Career Course as the Class Honor Graduate. In February 2013, he attended the Motor Transport Staff Non-Commissioned Officers Operations Course in Camp Johnson, NC.
In February 2014, Gunnery Sergeant Sandoval transferred to 1st Intelligence Battalion in Camp Pendleton CA, where he served as a Motor Transportation Chief.
Gunnery Sergeant Sandoval currently serves as the Assistant Marine Officer Instructor at the Naval Reserve Officers Training Corps Unit, University of Oklahoma.
Gunnery Sergeant Sandoval is a graduate of National University (2014) with a Bachelor of Science degree in Criminal Justice. His personal decorations include: Navy and Marine Corps Commendation Medal with gold star in lieu of second award, Navy and Marine Corps Achievement Medal with gold star in lieu of second award, and Marine Corps Good Conduct Medal with two bronze stars in lieu of third award.