vietnam war

5th Infantry Regiment

With its lineage extending back to 1808 when the Army organized the 4th Infantry, the 5th Infantry Regiment is one of the Army’s longest serving infantry units.  In 1815, several regiments, including the 9th, 13th, 21st, 40th, and 46th Infantry Regiments, were consolidated to form the 5th Infantry.  Elements that formed the 5th took part …

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