Headquarters & Alpha Company Office
Headquarters Company for the Headquarters and Service Battalion


Overview: Henderson Hall is a unique organization comprised of active and reserve component Marines administratively attached to one of four companies, and operating at various Department of Defense commands. Headquarters Company Marines work aboard Joint Base Ft. Myer-Henderson Hall. The Alpha Company diaspora of Marines is comprised of personnel whom fall under various MCC’s across the National Capital Region (NCR)

Mission: The staff of HQ and A Co are here to serve you administratively. Critical company mission sets include providing assistant with administrative matters, force preservation, medical/dental readiness and training requirements while serving within your respective Company at Headquarters and Service Battalion.

Accountability: Accountability is the first priority of every Marine unit across the Corps. The Morning Report is key for daily accountability and must be submitted no later than 1200 EST. Additionally, upon checking into the unit, please ensure to update your contact information contained in your MOL BIR. Due to the unique composition of the battalion, updated work and personal phone numbers/emails are critical in contacting Marines.

Administrative Action Requests: All administrative packages/requests are submitted via Marine Online through the MyEPAR tab. This process allows Marines to track their packages through the Battalion until completion. Once your EPAR has been received by the Company staff, please allow 3-5 business days for Company action/endorsement to be completed.

To learn more about the company leadership, please select one of the below links to view their respective professional biographies.



Mon-Fri, 0700-1630


Co Commander


Co 1stSgt


Co GySgt


Admin NCO


After Hours

BN OOD 202-439-5941

Headquarters Marine Corps