| Third Battalion, First Marines deployed to Kuwait in 2002 and participated in an urban exercise as part of Exercise Eager Mace. The following Marine paid the ultimate sacrifice during this deployment: | 
  
   | LCpl Sledd, Antonio | Died Of Wounds | 08-Oct-02 | 
  
   | Third Battalion, First Marines deployed to Iraq in 2004. In November 2004, the battalion participated in Operation Al Fajr, the second assault on the city of Fallujah. The following Marines paid the ultimate sacrifice during this deployment: | 
  
   | Sgt Nachampassak, Krisna 27, of Burke, Virginia
 | Accident | 10-Jul-04 | 
  
   | PFC Reed, Christopher 20, of Craigmont, Idaho
 | Accident | 10-Jul-04 | 
  
   | Cpl Holmes, Terry 22, of Hollywood, Florida
 | Accident | 10-Jul-04 | 
  
   | SSgt Spink Trevor 36, of Farmington, Missouri
 | Accident | 10-Jul-04 | 
  
   | Sgt Calderon, Juan 26, of Weslaco, Texas
 | Killed In Action | 2-Aug-04 | 
  
   | LCpl Hannon, Fernando 19, of Wildomar, California
 | Died Of Wounds | 15-Aug-04 | 
  
   | LCpl Perez, Geoffrey 24, of Los Angeles, California
 | Killed In Action | 15-Aug-04 | 
  
   | Cpl Alvarez, Nicanor 22, of San Bernardino, California
 He was attached from First Combat Engineer Battalion, First Marine Division, First Marine Expeditionary Force
 | Killed In Action | 21-Aug-04 | 
  
   | Cpl Rintamaki, Steven 21, of Lynnwood, Washington
 | Killed In Action | 16-Sep-04 | 
  
   | Cpl Oliveira, Brian 22, of Raynham, Massachusetts
 | Died Of Wounds | 25-Oct-04 | 
  
   | Sgt James, William 24, of Huntington Beach, California
 | Killed In Action | 9-Nov-04 | 
  
   | LCpl Larson, Nicholas 19, of Wheaton, Illinois
 | Killed In Action | 9-Nov-04 | 
  
   | LCpl Segura, Juan 26, of Homestead, Florida
 | Killed In Action | 9-Nov-04 | 
  
   | SSgt Slay, Russell 28, of Humble, Texas
 He was attached from Second Assault Amphibian Battalion, Second Marine Division, Second Marine Expeditionary Force
 | Killed In Action | 9-Nov-04 | 
  
   | LCpl Wood, Nathan 19, of Kirkland, Washington
 | Killed In Action | 9-Nov-04 | 
  
   | LCpl Simpson, Abraham 19, of Chino, California
 | Killed In Action | 9-Nov-04 | 
  
   | Cpl Bowling, Theodore 25, of Casselberry, Florida
 | Killed In Action | 11-Nov-04 | 
  
   | Sgt Strader, Morgan 23, of Crossville, Indiana
 | Killed In Action | 12-Nov-04 | 
  
   | Sgt Norwood, Byron 25, of Pflugerville, Texas
 | Killed In Action | 13-Nov-04 | 
  
   | LCpl Bryan, Benjamin 23, of Lumberton, North Carolina
 | Killed In Action | 13-Nov-04 | 
  
   | LCpl McLeese, Justin 19, of Covington, Louisiana
 | Killed In Action | 13-Nov-04 | 
  
   | Cpl Burger, Dale 21, of Bel Air, Maryland
 | Killed In Action | 14-Nov-04 | 
  
   | Cpl Perez, Andres 21, of Santa Cruz, California
 | Killed In Action | 14-Nov-04 | 
  
   | LCpl Swain, James 20, of Kokomo, Indiana
 He was attached from Headquarters Battalion, First Marine Division, First Marine Expeditionary Force
 | Killed In Action | 15-Nov-04 | 
  
   | LCpl Ailes, Jeramy 22, of Gilroy, California
 | Killed in Action | 15-Nov-04 | 
  
   | LCpl Qualls, Louis 20, of Temple, Texas
 He was attached from Second Battalion, Fourteenth Marine Regiment, Fourth Marine Division, Marine Forces Reserve
 | Killed In Action | 16-Nov-04 | 
  
   | Sgt Heflin, Christopher 26, of Paducah, Kentucky
 | Killed In Action | 16-Nov-04 | 
  
   | LCpl Hanks, Michael 22, of Gregory, Michigan
 | Killed In Action | 17-Nov-04 | 
  
   | LCpl Figueroa, Luis 21, of Los Angeles, California
 | Killed In Action | 18-Nov-04 | 
  
   | LCpl Arms, Bradley 20, of Charlottesville, Virginia
 He was attached from Fourth Combat Engineer Battalion, Fourth Marine Division, Marine Forces Reserve
 | Killed In Action | 19-Nov-04 | 
  
   | LCpl West, Phillip 19, of American Canyon, California
 | Killed In Action | 19-Nov-04 | 
  
   | LCpl Welke, Joseph 20, of Rapid City, South Dakota
 | Died Of Wounds | 20-Nov-04 | 
  
   | LCpl Dickinson, Joshua 25, of New Port Richey, Florida
 | Killed In Action | 12-Dec-04 | 
  
   | The battalion re-deployed back to Iraq in September, 2005. While conducting security and stabilization operations in Western Iraq, the following Marines paid the ultimate sacrifice during this deployment: | 
  
   | Sgt Murray, Jeremy 27, of Atwater, Ohio
 | Killed In Action | 16-Nov-05 | 
  
   | LCpl Terrazas, Miguel 20, of El Paso, Texas
 | Killed In Action | 19-Nov-05 | 
  
   | Cpl Arellano-Pandura, Carlos 22, of Los Angeles, California
 | Killed In Action | 20-Jan-06 | 
  
   | LCpl Dewey, Brandon 20, of San Joaquin, California
 | Killed In Action | 20-Jan-06 | 
  
   | In 2007, Third Battalion, First Marines deployed as the ground combat element of the 13th Marine Expeditionary Unit. The battalion was ordered into Iraq as part of Operation Phantom Thunder. The following Marines paid the ultimate sacrifice during this deployment: | 
  
   | LCpl Villarreal, Emmanuel 21, of Eagle Pass, Texas
 He was attached from First Battalion, Eleventh Marines, First Marine Division, First Marine Expeditionary Force
 | Accident | 27-May-07 | 
  
   | LCpl Stacy, Steven 23, of Coos Bay, Oregon
 | Died Of Wounds | 5-Jul-07 | 
  
   | Cpl Stokes, Sean 24, of Auburn, California
 | Died Of Wounds | 30-Jul-07 | 
  
   | Cpl Woods, Travis 21, of Redding, California
 After deploying to Iraq, Cpl Woods was detached and served in Afghanistan during this deployment. He was assigned to First Marine Special Operations Battalion, Marine Corps Forces Special Operations Command, Camp Pendleton, California.
 | Died Of Wounds | 9-Sep-07 | 
  
   | In 2010, Third Battalion, First Marines deployed to Afghanistan - Operation Enduring Freedom. The following Marines paid the ultimate sacrifice during this deployment: | 
  
   | Sgt May, Kenneth 26, of Kilgore, Texas
 | Killed In Action | 11-May-2010 | 
  
   | Cpl Johnson, Jeffery 21, of Tomball, Texas
 | Killed In Action | 11-May-2010 | 
  
   | HM3 Wood, Zarian 29, of Houston, Texas
 He was attached from Naval Branch Health Clinic, Naval Air Station, Joint Reserve Base, Fort Worth, Texas.
 | Died Of Wounds | 14-May-2010 | 
  
   | Sgt Bury, Brandon 26, of Kingwood Texas
 | Accident | 06-Jun-2010 | 
  
   | Cpl Marler, Donald 22, of St. Louis, Missouri
 | Accident | 06-Jun-2010 | 
  
   | LCpl Hernandez, Derek 20, of Edinburg, Texas
 He was attached from Military Police Support Company, Headquarters Group, First Marine Expeditionary Force
 | Accident | 06-Jun-2010 | 
  
   | Sgt Rankel, John 23, of Speedway, Indiana
 | Died of Wounds | 07-Jun-2010 | 
  
   | HN Ortega, William 23, of Miami, Florida
 | Killed In Action | 18-Jun-2010 | 
  
   | Sgt Caskey, Joseph 24, of Pittsburgh, Pennsylvania
 | Killed In Action | 26-Jun-2010 | 
  
  
  
   | Cpl Harris, Larry 24, of Thornton Colorado
 | Killed In Action | 01-Jul-2010 | 
  
  
  
   | Cpl Donahue, Max 23, of Highlands Ranch, Colorado
 He was assigned from First Marine Expeditionary Force Headquarters Group, First Marine Expeditionary Force
 | Died of Wounds | 07-Aug-2010 | 
  
   | Cpl Greer, Kristopher 25, of Ashland City, Tennessee
 He was assigned from Fourth Combat Engineering Battalion, Fourth Marine Division, Marine Forces Reserve
 | Died of Wounds | 08-Aug-2010 | 
  
   | GySgt Holley, Floyd 36, of Casselberry, Florida
 He was assigned from Seventh Engineer Support Battalion, First Marine Logistics Group, First Marine Expeditionary Force
 | KIA | 29-Aug-2010 | 
  
   | Cpl Thomas, Matthew 24, of Great Britain
 He was attached from the Royal Electrical and Mechanical Engineers.
 | Died Of Wounds | 25-Sept-2010 |