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M7 Priest preserved along the entrance road at APG


The 2005 Base Realignment and Closure (BRAC) decision has brought unprecedented growth to the Aberdeen Proving Ground (APG) region. APG has expanded by more than 8,200 direct jobs to an installation population of nearly 22,000 active duty and civilian personnel. The indirect and induced impact of APG's mission growth, including more than 70 defense contractor companies new to the APG community, is estimated to add more than 30,000 people to the region's current population. More than 80 tenant organizations support the research, development, and testing and evaluation (RDT&E) mission at Aberdeen Proving Ground.

The total size of the APG installation encompasses 72,500 acres with more than 100 square miles of scenic shoreline. APG is located in Harford County, Maryland at the head of the Chesapeake Bay and approximately 30 miles north of the City of Baltimore.

Community Response

The Chesapeake Science & Security Corridor (CSSC) Consortium is the growth management organization coordinating the regional response to mission growth at APG. Originally composed of seven county member jurisdictions (Harford, Cecil, and Baltimore in Maryland; New Castle in Delaware; and York, Lancaster, and Chester in Pennsylvania) spanning 3 states, and 1 city (Baltimore City), the Consortium now includes 50 organizations and government entities across the region. The CSSC has pursued growth management planning through an incremental approach by assessing overall impact (through the completion of the 2006- BRAC Action Plan and the 2007- Aberdeen Proving Ground BRAC Impacts on Seven Jurisdictions), prioritizing impact areas, matching impacts with mitigation strategies and studies, and designing and implementing solutions among government, industry and education partnerships.

The CSSC region is challenged by growth in three primary areas: transportation, workforce and education, and land use and infrastructure. Studies and activities to date have allowed the region to implement solutions and apply strategies to many of these issues, such as including sustainable land use planning through the development of This website provides GIS-based land use planning tools to for all Consortium members so as to guide growth to areas best able to accommodate it. The CSSC has also focused on science, technology, engineering, and mathematics (STEM)-related degree needs through an APG Regional Workforce Analysis/APG Workforce Training Assessment. Lastly, the Consortium has studied ways to improve traffic movement and workforce mobility though such efforts as the Aberdeen Multimodal Transportation Center Feasibility Study.

To view the community's 2009 Mission Growth profile, click here.