Aberdeen Proving Ground--military Police Aberdeen, MD 21001 Phone : (410) 278-5291 Business Category Police Departments Us Military Intelligence Aberdeen Prv Grd, MD 21005 Phone : (410) 278-5291 Business Category National Security United States Government--military Intelligence Detachment Us Army Inscom, In Case Of Emergency Contact Military Police Aberdeen Proving Gro, MD 21005 Phone : (410) 278-5291 Business Category Government Offices-Federal Police Departments Government Offices & Public Schools