Units and Operational History

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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4th Engineer Battalion

In its 140-plus year history, thousands of soldiers have proudly worn the insignia of the 4th Engineers and staunchly upheld the battalion’s motto, Volens et Potens (Willing and Able).  The origins of the 4th Engineer Battalion date back to 31 December 1861 when the Army organized several new and existing engineer companies into a provisional engineer battalion …

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