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Headquarters and Headquarters Company
4th Battalion, 3d US Infantry Regiment

Headquarters and Headquarters Company (HHC), 4th Battalion, 3d U.S. Infantry Regiment, provides command and control and administrative support to enable the Warrior Battalion to operate. Together with our sister-service teammates we conduct joint military and Army ceremonies and memorial affairs. We showcase the unit, Army, and U.S. military through special events and deployments with the Tomb of the Unknown Soldier and the United States Army Drill Team.

On order, we stand ready to conduct defense support to civil authorities in support of the Military District of Washington’s defense to the National Capital Region.

Key Tasks:

  1. 1.) Secure the Tomb of the Unknown Soldier in order to prevent disrespect or damage to the site.
  2. 2.) Act as good-will ambassadors for the U.S. Army by performing breathtaking rifle routines in major military and civic functions as directed by the Military District of Washington (MDW).
  3. 3.) Provide administrative support to enable Battalion level mission command.


HHC consists of the following platoons/sections:
• Battalion Command Group
• Company Headquarters Section
• S1 - Personnel/Administrative Section
• S2 - Intelligence Section
• S3 - Operations Section
• S4 - Logistics Section
• S6 - Communications Section
• Medical Section
• Tomb of the Unknown Soldier (TUS) Platoon
• United States Army Drill Team (USADT) Platoon

HHC conducts a variety of operations daily in support of all battalion missions. With the diverse military occupational specialties within the company, the Soldiers of HHC, 4/3 IN, provide a full range of support, to include: personnel and administration, security, planning and training for tactical and ceremonial missions, logistical support of all missions, tactical and non-tactical communications, medical care, as well as support to all matters of ceremonial and memorial affairs events.

In addition to their daily support, Soldiers from Headquarters and Headquarters Company perform missions in both direct and supporting roles.