Sergeant Major Nicholson reported to Marine Corps Recruit Depot Parris Island, South Carolina, in December 1995, for recruit training and left as the Honor Graduate. Upon completion of Communication School in Twentynine Palms, California, she graduated as Honor Graduate, and was assigned to Marine Corps Forces Reserves in New Orleans, Louisiana.
In November 1998, she reported to 7th Communication Battalion, III Marine Expeditionary Force, Okinawa, Japan, where she served as the Information Systems Management Operator Noncommissioned Officer in Charge and the Battalion’s Training Chief. While stationed in Okinawa, she deployed to Samut Prakan, Thailand, where she pinned on Sergeant and later attended Sergeant’s Course, graduating as the Honor Graduate in August 1999. In December 1999, she reported to Marine Forces Atlantic in Norfolk, Virginia for duty as the Defense Message Center Noncommissioned Officer, and later as the Electronic Key Management System’s Noncommissioned Officer. In March 2002, she pinned on Staff Sergeant and changed her Military Occupational Specialty to Career Planner. In May 2002, she reported to Headquarters and Headquarters Squadron, Marine Corps Air Station, Iwakuni, Japan, where she served as the Career Retention Specialist.
In December 2004, she was selected for the Staff Noncommissioned Officer Degree Completion Program and reported to Training and Education Command, Quantico Virginia, where she would major in Psychology at the University of Maryland, University College in Adelphi, Maryland. In December 2005, she reported to Headquarters Battalion, Marine Corps Base, Kaneohe Bay, Hawaii, and served as the Substance Abuse Control Officer, Equal Opportunity Representative, Uniform Victim Advocate, Casualty Assistance Calls Officer and Suicide Awareness Counselor for the Family Advocacy Program. In December 2008, Gunnery Sergeant Nicholson was transferred to Combat Logistics Regiment 25, 2nd Marine Logistics Group, II Marine Expeditionary Force, Camp Lejeune, North Carolina, where she served as the Regimental Career Retention Specialist. In January 2011, she was attached to 2nd Maintenance Battalion, 2nd Marine Logistics Group, where she deployed in support of Operation Enduring Freedom. In January 2012, she reported to 8th Communication Battalion, Bravo Company, Marine Corps Base Camp Lejeune, North Carolina, as the First Sergeant, subsequently deploying in support of Operation Enduring Freedom with Alpha Company. In November 2013, she reported to Marine Corps Detachment, Weapons Training Battalion, Training Command, Fort Lee, Virginia, to serve as Bravo Company’s First Sergeant. From July to September 2015, she served as a member on the FY 2015 Staff Noncommissioned Officer (SNCO) Promotion Board in Quantico, VA. In November 2016, she reported to 1st Law Enforcement Battalion (1stLEBn), I Marine Expeditionary Force Information Group, to serve as Bravo Company’s First Sergeant and later, 1stLEBn Headquarters First Sergeant. In November 2017, she was selected to Sergeant Major.
In December 2017, she assumed her duties as the Sergeant Major for Marine Heavy Helicopter Squadron 361, 3d Marine Aircraft Wing. In May 2018, she participated in the Unit Deployment Program 18.2, and subsequently traveled to Korea and Iwakuni Japan, ISO operations.
In December 2019, she left her duties as the Sergeant Major at Marine Heavy Helicopter Squadron 361, 3d Marine Aircraft Wing, and was appointed as the Sergeant Major for Center for Naval Aviation Technical Training, II Marine Expeditionary Force, Cherry Point, North Carolina.
Sergeant Major Nicholson’s personal awards includes the Meritorious Service Medal, the Navy and Marine Corps Commendation Medal (gold star in lieu of third award), and the Outstanding Military Service Medal.