Commands

Alaska Defense c1943 (1)	Atlantic Base 1942	Bermuda Base 1942	Caribbean Defense 1944	Eastern Defense 1943

Greenland Base 1943	Iceland Base 1943	Labrador NE Canada 1943	Southern Defense 1943

Departments

Alaska 1943	Antilles 1942 (2)	Panama 1922

Military Districts

Washington 1942

Forces

Aleutain Islands Forces c1943 (3)	South Atlantic 1944

Notes:

1. Not approved by the War Department
2. Originally Puerto Rico Deparment renamed in 1944
3. Not approved by the War Department