Below is a list of Field Armies of the United States
Active Theater Armies First United States Army (United States Army Forces Command) United States Army Central (United States Central Command) United States Army North (United States Northern Command) United States Army South (United States Southern Command) United States Army Europe and Africa (United States European Command, United States Africa Command)
Active Field Armies
Eighth United States Army (United States Forces Korea)
Inactive Second United States Army (United States Army Cyber Command) Fourth United States Army Tenth United States Army Fourteenth United States Army (fictional) Fifteenth United States Army