| Engineer special brigade | |
|---|---|
 Engineer special brigade shoulder sleeve insignia | |
| Active | 1942–1955 |
| Country | United States |
| Allegiance | United States of America |
| Branch | Army |
| Type | Amphibious Engineers |
| Role | Amphibious Assaults, Shore to Shore Operations |
| Size | Brigade |
| Engagements | Battle of Normandy |
The Engineer Special Brigades were brigade-sized amphibious forces of the United States Army developed during World War II and active from 1942 to 1955. Initially designated engineer amphibian brigades, they were redesignated engineer special brigades in 1943. The 1st, 5th, and 6th Engineer Special Brigades were assigned to the European Theater of Operations. The 1st Engineer Special Brigade participated in the landings in Sicily and Italy before joining the 5th and 6th Engineer Special Brigades for the invasion of Normandy.
The 2nd, 3rd and 4th Engineer Special Brigades were assigned to the Southwest Pacific Area, and participated in the campaigns in the Bismarck Archipelago, New Guinea, Leyte, Luzon, the Southern Philippines and Borneo campaign. The 1st Engineer Special Brigade fought in both theaters of the war, participating in the Okinawa campaign near the end of the war. The 2nd Engineer Special Brigade remained active after the war, and served in the Korean War before being inactivated in 1955.