84th Infantry Regiment
Modern Era, United States, Infantry
The 84th Infantry Regiment was part of the Army's modern system of numbered lineages used to provide organizational depth during major wartime expansion. It reflects the service's twentieth-century emphasis on large-scale mobilization and later selective retention of unit identities.
Its story is primarily institutional, preserved through lineage and redesignation rather than through an uninterrupted independent regimental field history.
That makes the 84th Infantry one more example of how the Army maintained historical continuity inside a highly adaptable force structure.
Battalion Page
A dedicated battalion subpage now collects the regiment's known battalion icons and short battalion sketches for the 1st, 2d, and 3d Battalions. Open the 84th Infantry Regiment Battalions page.