Sergeant Major Gerald E. Kirby III enlisted in the Marine Corps in June of 1997 and completed recruit training at MCRD Parris Island. Following recruit training; Private Kirby attended Marine Combat Training at Camp Geiger, NC, and the Engineer Assistant School at Fort Leonardwood, Missouri, where he was promoted to the rank of Private First Class and achieved the MOS of 1361.
PFC Kirby reported to First Combat Engineer Battalion in May of 1998 where he deployed to Egypt in support of Operation Bright Star, a Joint NATO operation serving with over 20 international military organizations. In January of 1999, Lance Corporal Kirby reenlisted and attended the Basic Combat Engineer School and upon graduation achieved the MOS of 1371. With his new MOS, Corporal Kirby attached to Battalion Landing Team 1/1, 15th Marine Expeditionary Unit, where on September 11, 2001, deployed to Pakistan and Afghanistan as a Fire Team Leader in direct support of Operation Enduring Freedom. Corporal Kirby returned home March of 2002 and was assigned to Bravo Company, First Combat Engineer Battalion as a Platoon Guide and Platoon Sergeant in preparation for Operation Iraqi Freedom.
In September 2002, Sergeant Kirby was transferred to 9th Engineer Support Battalion, Okinawa, Japan. While assigned as Platoon Sergeant, Sergeant Kirby participated in multiple joint training exercises and traveled Southeast Asia.
In October of 2003, Sergeant Kirby was transferred to MWSS 273, Beaufort, SC and assigned as Squad Leader in preparation for deployment to Operation Iraqi Freedom 2. Upon return from OIF 2, Sergeant Kirby completed 8 years of active service in January 2005.
Sergeant Kirby returned to active duty in August 2005 and was assigned to 7th Engineer Support Battalion, Camp Pendleton, California. With the battalion deployed, Sergeant Kirby was assigned to Corporal's Course, MCB Camp Pendleton to serve as Instructor and Chief Instructor where he was promoted to the rank of Staff Sergeant.
In October 2006, Staff Sergeant returned to 7th Engineer Support Battalion and served as Platoon Sergeant and Company Gunnery Sergeant for Company C until June 2007.
In July 2007, Staff Sergeant reported to Drill Instructor School, MCRD Parris Island. Upon graduation as the class honor graduate. Staff Sergeant Kirby served as a Drill Instructor, Senior Drill Instructor, Chief Drill Instructor, and Operations Chief for Hotel Company, 2D Recruit Training Battalion, MCRD Parris Island, South Carolina, from September 2007 to November 2010 where he was promoted to the rank of Gunnery Sergeant.
In December 2010, Gunnery Sergeant Kirby reported to Headquarters Battalion, MCAGCC 29 Palms and was assigned as Exercise Support Base OIC, Camp Wilson. In January, 2012, Gunnery Sergeant was reassigned as Detachment First Sergeant, Mojave Viper Support Detachment.
In August 2012, Gunnery Sergeant Kirby was reassigned as Company First Sergeant, Company C, Headquarters Battalion, MCAGCC until April 2014.
In April 2014, First Sergeant Kirby assumed duties as Company First Sergeant, Company E, 2nd Battalion, 6th Marines. In February, 2015 First Sergeant Kirby assumed duties as Company First Sergeant, Weapons Company, 2nd Battalion, 6th Marines.
In April 2016, First Sergeant Kirby assumed duties as Company First Sergeant, Weapons Company, 1st Battalion, 6th Marines, 2nd Marine Division, Camp Lejeune North Carolina and deployed with the 22d Marine Expeditionary Unit. In March 2017, First Sergeant Kirby assumed duties as Headquarters and Service Company First Sergeant, 1st Battalion 6th Marines and deployed with the Black Sea Rotational Force 18.1.
In January 2019, First Sergeant Kirby assumed duties as Company First Sergeant, Electronic Maintenance Company, 2d Maintenance Battalion, 2d Marine Logistic Group. In March 2020, First Sergeant Kirby was promoted to Sergeant Major and assumed his current duties as Sergeant Major, MAG 49, Detachment D, Norfolk, VA.
Sergeant Major Kirby’s personal awards include the Meritorious Service Medal, Navy and Marine Commendation Medal with gold star in lieu of 4th award, and Navy and Marine Corps Achievement Medal with gold star in Lieu of 5th award.