3d US Infantry Regiment
On Order, Alpha Company, 4th
Battalion, 3d U.S. Infantry Regiment, deploys by land or air to: Assist
with CBRN operations, conduct area security operations, and control
civil disturbances in support of the Military District of Washington’s
defense to the National Capital Region. Alpha Company also conducts
Joint and Army ceremonies and funerals in support of the Military
District of Washington.
Alpha Company is stationed and
billeted on Fort Myer, in the city limits of the Arlington, Virginia. It
is historically known as the Commander-in-Chief’s (CinC) Guard and is
patterned after General George Washington’s personal guard of that day.
It conducts tactical training year round to sustain proficiency in its
Rifle Company’s tasks that support the 3d U.S. Infantry Regiment’s (The
Old Guard) mission to defend the Nation Capital Region. Along with its
standard Rifle Company mission requirements, this unit also maintains
ceremonial and tactical proficiency in the weaponry and tactics of the
18th century. This CinC Guard function is performed in many
Department of Defense and Department of the Army ceremonies year round.
In addition to their CinC Guard functions, Alpha Company also conducts
memorial affairs in Arlington National Cemetery.