Activated on August 19, 1943 at Camp Pendleton, California, as the 4th Amphibian Tractor Battalion, Division Special Troops, 4th Marine Division, Fleet Marine Force.

Reassigned during January 1944 to Corps Troops, Amphibious Corps, and deployed to the Pacific area.

Reassigned during April 1944 to Corps Troops, 3rd Amphibious Corps, and participated in the following campaigns in World War II.

Redesignated on September 8, 1944 as the 4th Amphibian Tractor Battalion, Fleet Marine Force, Pacific Troops, 3rd Amphibious Corps.

Detached on November 11, 1944 from the 3rd Amphibious Corps.

Redesignated on July 15, 1945 as the 4th Amphibian Tractor Battalion, 2nd Amphibian Tractor Group (Provisional), Fleet Marine Force, Pacific, and deployed to Guam, Marianas Islands.

Redesignated on September 30,1945 as the 4th Amphibian Tractor Battalion, Fleet Marine Force, Pacific.

Redeployed during October 1945 to Camp Pendleton, California and deactivated on November 26, 1945.

Reactivated on July 1, 1962 at Tampa, Florida as the 4th Amphibian Tractor Battalion, Force Troops, Fleet Marine Force, United States Marine Corps Reserve

Redesignated on October 1, 1976 as the 4th Assault Amphibian Battalion, Fleet Marine Force, United States Marine Corps Reserve

Participated in training exercises throughout the 1970's and 1980's.

Participated in southwest Asia, Desert Shield, and Desert Storm as augmentation force to our sister Assault Amphibian Battalions.

HONORS

PRESIDENTIAL UNIT CITATION
WORLD WAR II
OKINAWA 1945
ASIATIC-PACIFIC CAMPAIGN STREAMER WITH THREE BRONZE STARS
WORLD WAR II VICTORY STREAMER