Department
United States Army
Department of Virginia and North Carolina
United States military department during the Civil War
Department of the Columbia
major regional unit of the United States army
Department of the Northwest
department of the United States Army from 1862 to 1866
Department of California
Administrative department of the US Army
Department of New Mexico
department
Department of Alaska
department of the USA between 1867-1884
Department of the Platte
military unit
Alaska Defense Command
WWII command of United States Army against Imperial Japan Army
Panama Canal Department
military unit
Department of the Missouri
defunct American military command
Department of Dakota
military unit
Philippine Department
military unit