United States Army
The United States Army was the land-based branch of the United States military.

History 
During the 19th century, in the period of the American Civil War, the Army was known as the Union Army. After Captain Jonathan Archer of the  had restored a damaged timeline in 1944/2154, a scene from the American Civil War could be seen in the time stream as the timeline realigned itself; the scene showed Confederate Army cavalry attacking a Union artillery position during an otherwise unidentified engagement. () In 2267, Captain James T. Kirk and his landing party from the  saw images of an attacking Union Army infantry from the same war, also from an otherwise unidentified engagement, via the Guardian of Forever. () 

The Union Army utilized observation balloons that were tendered at around six hundred feet high. ()

William T. Riker's ancestor, Thaddius Riker, was a colonel in the Union Army during the Battle of Pine Mountain in the Civil War, part of Sherman's March on Atlanta. ()

By 1893 an Army base existed in the middle of the Presidio in San Francisco. ()

During World War I, the U.S. Army operated Renault FT tanks when it was deployed in France, which was also witnessed by Captain Archer when he watched the time stream resetting, after he and his crew had managed to restore it. ()

A holoprogram set in 1941 San Francisco included an Uncle Sam recruitment poster for the U.S. Army. ()

The United States Army was deployed on several fronts when the Allies invaded Nazi-occupied France during World War II. ()

Divisions of the Army
 US 5th Armored Infantry
 US 6th Army
 US 7th Cavalry Regiment
 US 29th Infantry Division
 US 102nd New York Infantry

Personnel 
 United States military personnel

Ranks 
 United States military ranks

External links
  – official site
 
 
 
 

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Earth military organizations
The Dixon Hill Series