The United States Army was the land-based branch of the United States armed forces.
During the 19th century, the Army was known as the Union Army, during the American Civil War.
The Union Army utilized observation balloons that were tendered at around six hundred feet high. (TOS: "The Savage Curtain")
William T. Riker's ancestor, Thaddius Riker, was a Colonel in the Union Army during during the Battle of Pine Mountain in the Civil War, part of Sherman's March to the Sea. (VOY: "Death Wish")
The United States Army was deployed on several fronts when the Allies invaded Nazi-occupied France during World War II. (VOY: "The Killing Game", "The Killing Game, Part II")
Divisions of the Army
- US Army Air Corps
- US 5th Armored Infantry
- US 7th Cavalry Regiment
- US 29th Infantry Division
- US 102nd New York Infantry