1917 - 1919
ACTIVATED 1 JUNE 1917 AT PHILADELPHIA, PENNSYLVANIA, AS THE 3D BATTALLION, 5TH REGIMENT
DEPLOYED DURING JUNE-JULY 1917 TO FRANCE
PARTICIPATED IN THE FOLLOWING WORLD WAR I OFFENSIVE CAMPAIGNS
AISNE
AISNE-MARNE
ST. MIHIEL
MEUSE-ARGONNE
PARTICIPATED IN THE FOLLOWING WORLD WAR I DEFENSIVE CAMPAIGNS
TOULON-TROYON
CHATEAU-THIERRY
MARBACHE
LIMEY
PARTICIPATED FROM DECEMBER 1918 TO JULY 1919 IN THE OCCUPATION OF THE GERMAN RHINELAND RELOCATED DURING AUGUST 1919 TO QUANTICO, VIRGINIA
DEACTIVATED 13 AUGUST 1919 AT QUANTICO, VIRGINIA
1921 - 1930
REACTIVATED 17 MAY 1921 AT QUANTICO, VIRGINIA, AS THE 3D BATTALION, 5TH REGIMENT, 4TH BRIGADE DEPLOYED DURING AUGUST-SEPTEMBER1921 TO BALBOA, CANAL ZONE
RELOCATED DURING SEPTEMBER 1921 TO QUANTICO, VIRGINIA
ELEMENTS OF THE BATTALION PARTICIPATED IN MAIL GUARD DUTY IN THE EASTERN UNITED STATES, NOVEMBER 1921 - MAY 1927
DEPLOYED DURING FEBRUARY-MARCH 1927 TO NICARAGUA
DEACTIVATED 12 APRIL 1930 IN NICARAGUA
1940 - 1946
REACTIVATED 1 APRIL 1949 AT QUANTICO, VIRGINIA, AS THE 3D BATTALION 5TH MARINES, 1ST MARINE BRIGADE, FLEET MARINE FORCE DEPLOYED DURING SEPTEMBER 1940 TO GUANTANAMO BAY, CUBA
REDESIGNATED 1 FEBRUARY 1941 AS THE 3D BATTALION, 5TH MARINES, 1ST MARINE DIVISION, FLEET MARINE FORCE RELOCATED DURING APRIL 1941 TO QUANTICO, VIRGINIA
RELOCATED DURING SEPTEMBER 1941 TO NEW RIVER, NORTH CAROLINA
DEPLOYED DURING MAY-JUNE 1942 TO WELLINGTON, NEW ZEALAND
PARTICIPATED IN THE FOLLOWING WORLD WAR II CAMPAIGNS
GUADALCANAL
NEW GUINEA
NEW BRITIAN
PELELIU
OKINAWA
DEPLOYED DURING SEPTEMBER 1945 TO TANGKU, CHINA
DEACTIVATED 15 APRIL 1946 IN CHINA
1949 - 1959
REACTIVATED 15 OCTOBER 1949 ON GUAM AS THE 3D BATTALION, 5TH MARINES, 1ST MARINE DIVISION, FLEET MARINE FORCE RELOCATED DURING JANUARY 1950 TO CAMP PENDLETON, CALIFORNIA
DEPLOYED DURING AUGUST 1950 TO KOREA
PARTICIPATED IN THE KOREAN WAR, AUGUST 1950 - JULY 1953, OPERATING FROM
PUSAN PERIMETER
INCHON-SEOUL
CHOSIN RESERVOIR
EAST CENTRAL FRONT
WESTERN FRONT
PARTICIPATED IN THE DEFENSE OF THE KOREAN DEMILITARIZED ZONE,
JULY 1953 FEBRUARY 1955
RELOCATED DURING MARCH 1955 TO CAMP PENDLETON, CALIFORNIA
1960 - 1996
REDEPLOYED DURING FEBRUARY 1960 TO CAMP SCHWAB, OKINAWA, AND ASSIGNED TO
THE 3D MARINE DIVISION, FLEET MARINE FORCE RELOCATED DURING JANUARY 1961 TO CAMP PENDLETON, CALIFORNIA, AND REASSIGNED TO THE 1ST MARINE DIVISION, FLEET MARINE FORCE RELOCATED DURING MARCH 1966 TO CAMP SCHWAB, OKINAWA
DEPLOYED DURING MAY-JUNE 1966 TO THE REPUBLIC OF VIETNAM AS PART OF THE SPECIAL LANDING FORCE
PARTICIPATED IN THE WAR IN VIETNAM, JUNE 1966 - MARCH 1971, OPERATING FROM
CHU LAI
DA NANG
QUANG NAM
THAU THIEN
ROSS COMBAT BASE
AN HOA
RELOCATED DURING MARCH-APRIL 1971 TO CAMP PENDLETON, CALIFORNIA
PARTICIPATED IN THE BATTALION ROTATION BETWEEN THE 3D MARINE DIVISION ON OKINAWA AND DIVISIONS STATIONED IN THE UNITED STATES DURING THE 1980s
PARTICIPATED IN OPERATIONS DESERT SHIELD AND DESERT STORM, SOUTHWEST ASIA, JANUARY-APRIL 1991
PARTICIPATED IN OPERATION SEA ANGEL, BANGLADESH, MAY 1991
2000 - 2006
PARTICIPATED IN THE BATTALION ROTATION BETWEEN THE 3D MARINE DIVISION ON OKINAWA AND DIVISIONS STATIONED IN THE UNITED STATES DURING THE 1980s
PARTICIPATED IN THE BATTALION ROTATION DURING 2002 BEFORE DEPLOYMENT TO IRAQ
PARTICIPATED IN OPERATION IRAQI FREEDOM AND MARCH TO BAGHDAD, SOUTHWEST ASIA, JANUARY 2003 TO AUGUST 2003
PARTICIPATED IN OIF II AND BATTLE OF FALLUJAH, SOUTHWEST ASIA, AUGUST 2004 TO APRIL 2005
