David Herwig enlisted into the Marine Corps and began recruit training on 27 September 2007 aboard Marine Corps Recruit
Depot Parris Island with Hotel Company, Second Recruit Training Battalion. After graduation, Private Herwig completed Marine
Combat Training aboard Camp Lejeune, North Carolina, and Naval Aircrew Candidate School aboard Naval Air Station Pensacola.
At Pensacola, he was promoted to Private First Class and meritoriously promoted to Lance Corporal. Lance Corporal Herwig moved
to Camp Pendleton for training as an H-1 Mechanic. Lance Corporal Herwig completed UH-1N Aircrew school at Marine Light
Attack Helicopter Training Squadron (HMLA/T) 303 and was designated a UH-1N helicopter Crew Chief on 13 March 2009.
In March 2008, Lance Corporal Herwig checked into HMLA/T 303. While at HMLAT-303, Lance Corporal Herwig was promoted to
Corporal and then Sergeant. During his time at the squadron, Sergeant Herwig became a Plane Captain and Collateral Duty
Inspector. Sergeant Herwig also attended Combat Marksmanship Coach and Combat Marksmanship Trainer School.
In August 2011, Sergeant Herwig checked into Marine Light Attack Helicopter Squadron (HMLA) 369 and began pre-deployment
workups immediately. Sergeant Herwig deployed to Afghanistan in support of Operation Enduring Freedom 11.2-12.1. While on
deployment Sergeant Herwig became designated as a Collateral Duty Quality Assurance Representative on both the UH-1Y and
AH-1W helicopters. Sergeant Herwig flew in Afghanistan for 293 combat hours earning his Combat Aircrew Wings and Air Medal
with the numeral “5.” In May 2013, he deployed to Okinawa, Japan, and was attached to Marine Medium Tilt-rotor 265 Reinforced
in support of the 31st Marine Expeditionary Unit. While deployed, Sergeant Herwig supported Operations Talisman Sabre, Southern
Frontier, and Koolendong. In May 2014, Sergeant Herwig attended Weapons and Tactics Instructors (WTI) Class 2-14 and became
designated as a UH-1Y Weapons and Tactics Instructor, as well as Defensive Air Combat Maneuvering Instructor.
In October 2014, Sergeant Herwig checked in to HMLA-267 to serve as the squadron's Enlisted Aircrew Training Manager. In
November 2015, he was promoted to the rank of Staff Sergeant.
In May 2015, Staff Sergeant Herwig attended Basic Recruiters School in San Diego, California, and upon graduation, he received
orders to Recruiting Station Richmond, Virginia. Staff Sergeant Herwig performed the duties of Canvassing Recruiter aboard
Permanent Contact Station South Hill, Virginia, until May 2018. In June 2018, Staff Sergeant Herwig was reassigned to Recruiting
Sub-Station Roanoke, Virginia, to serve as the Sub Station Staff Non Commissioned Officer In Charge until September 2019, when
he successfully completed his recruiting tour.
In October 2019, Staff Sergeant Herwig checked into HMLA 469 to serve as the Enlisted Aircrew Training Manager. In December
2019, he was promoted to Gunnery Sergeant. In February, he was re-designated as a Night Systems Instructor and Weapons and
Tactics Instructor. In June 2020, Gunnery Sergeant Herwig deployed on the Unit Deployment Program to Okinawa, Japan. In
November 2020, Gunnery Sergeant Herwig was redeployed to Camp Pendleton and continued working in the Operations
Department. In May 2022, Gunnery Sergeant deployed again on the Unit Deployment Program to Okinawa, Japan. In October
2022, Gunnery Sergeant Herwig returned to Camp Pendleton and received orders to I Marine Expeditionary Force Expeditionary
Operations Training Group.
In November of 2022, Gunnery Sergeant Herwig checked into I MEF Expeditionary Operations Training Group to fill the billet of
Air Chief.
First Sergeant Herwig was promoted to his current rank and assumed the duties of Marine Corps Embassy Security Group,
Region 9 First Sergeant in May 2024.
First Sergeant Herwig's personal decorations and awards include Air Strike/Flight Medal with bronze numeral 5 in lieu of 5th
award, the Navy and Marine Corps Commendation Medal with gold star in lieu of second award, the Navy and Marine Corps
Achievement Medal with two gold stars in lieu of third award, and various other unit and service awards.