The term United States of America in this database covers the States and Teritories that made up the USA in 1940 and the Commonwealth of the Phillipines.
Battle Honours listed for American units refer to Campaigns awarded to units by the US Army.
Although there is a wealth of Order of Battle data available for US Forces, there is currently a lack of information on Regiment, Division, Corps and Army commanders within the United States and indeed outside the North West European Theatre.
There is also little information on unit assignments for units within the continental United States area.
Additionally, there is currently little information on the US Marine Corps Order of Battle.