United States theaters of operations in World War II


During World War II, the United States Army divided its operations around the world into four theaters. Forces from many different Allied nations fought in these theaters. Other Allied countries have different conceptions of the theaters and/or different names for them.

European Theater of Operations campaigns

US Army

The 16 officially recognized US Army campaigns in the European Theater of Operations are:
The nine officially recognized US Navy campaigns in the European Theater of Operations are:
Operational commands were the Pacific Ocean and South West Pacific.

US Army

The 16 officially recognized US Army campaigns in the European Theater of Operations are:
The 43 officially recognized US Navy campaigns in the Pacific Theater of Operations are:
The China Burma India Theater served more as an Administrative Command rather than a Theater of Operations and lacked any true Operational Command. The Operational Command was joint Allied South East Asia Command in the South-East Asian Theater. The American General Joseph Stilwell commanded the operational Northern Combat Area Command and used his other positions to communicate directly with Joint Chiefs of Staff about operational matters.
The officially recognized US Army campaigns in the China Burma India Theater are: