First Army is the oldest and longest-established field army of the United States Army. It served as a theater army, having seen service in both World War...

The United States Army (USA) is the land service branch of the United States Armed Forces. It is one of the eight U.S. uniformed services, and is designated...

First United States Army Group (often abbreviated FUSAG) was a fictitious (paper command) Allied Army Group in World War II prior to D-Day, part of Operation...

Army of the United States is one of the four major service components of the United States Army (the others being the Regular Army, the United States...

Ninth Army was a field army of the United States Army, most recently garrisoned at Caserma Ederle, Vicenza, Italy. It was the United States Army Service...

The United States Army Reserve (USAR) is a reserve force of the United States Army. Together, the Army Reserve and the Army National Guard constitute...

at its peak in 1945: First United States Army, Third United States Army, Ninth United States Army, and Fifteenth United States Army. The order of battle...

United States Army Europe and Africa (USAREUR-AF) is an Army Service Component Command (ASCC) /Theater Army responsible for directing United States Army...

General of the Army (abbreviated as GA) is a five-star general officer rank in the United States Army. It is generally equivalent to the rank of Field...

The Eighth Army is a U.S. field army which commands all United States Army forces in South Korea. It is headquartered at the Camp Humphreys in the Anjeong-ri...