States Army, the land force that fought to preserve the collective Union of the states, was often referred to as the Union Army, the Grand Army of the...

The military uniforms of the Union Army in the American Civil War were widely varied and, due to limitations on supply of wool and other materials, based...

The Army of the Potomac was the primary field army of the Union Army in the Eastern Theater of the American Civil War. It was created in July 1861 shortly...

S. Grant's command of all Union armies in 1864. Inflicting an ever-tightening naval blockade of Confederate ports, the Union marshaled resources and manpower...

brigade, consisting predominantly of Irish Americans, who served in the Union Army in the American Civil War. The designation of the first regiment in the...

of action than the Union Army. One of the main projects for the Army Corps of Engineers was constructing railroads and bridges. Union forces took advantage...

The Army of the Tennessee was a Union army in the Western Theater of the American Civil War, named for the Tennessee River. A 2005 study of the army states...

Army or U.S. Volunteers) effectively appointed, nominated, confirmed and commissioned (by signed and sealed document) who served in the Union Army during...

government of Missouri. The Union Army was a new formation comprising mostly state units, together with units from the regular U.S. Army. Keeping the southern...

departments he appointed. Most of the major Union wartime commanders had, however, previous regular army experience. A smaller number of military leaders...