Aberdeen Proving Ground (APG) (sometimes erroneously called Aberdeen Proving Grounds) is a U.S. Army facility located adjacent to Aberdeen, Harford County, Maryland, United States. Part of the facility is a census-designated place (CDP), which had a population of 3,116 at the 2000 census, and 2,093 as of the 2010 census.
There are 11 major commands among the tenant units, including
- CECOM
- CCDC
- ATEC
- Edgewood Arsenal
- Adelphi Laboratory Center
- The Army Reserve Information Operations Command
- Unified Cross Domain Services Management Office
- HQ, U.S. Army Contracting Command (Army Contracting Command –APG, Adelphi Contracting Division)
- U.S Army 93rd Signal Network - Network Enterprise Center
- Logistics Readiness Center
- U.S. Army Cyber Operation Group – 335th Signal Command
- Blossom Point Research Facility