About Aberdeen Proving Ground

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Aberdeen Proving Ground is now one of the most diversified military installations in the United States and the work that takes place at this 72,000-acre complex touches almost every aspect of U.S. military operations. Considered a “megabase,” APG serves as a national center for science and technology.

For much of its 95-year history, APG was known as a test and evaluation facility for the Army and home to Ordnance troops. More recently, because of the Base Realignment and Closure Act of 2005 and other factors, APG evolved into a hub of research, development, test and evaluation activity for the joint services. Not only has the installation grown larger, its role among military bases changed.

The growth from BRAC 2005 represents APG’s largest expansion since World War II, bringing the number of jobs on post to 22,000. Another 6,000 contractor positions “off post” were added in the region. The region sees approximately $6.5 billion in economic activity generated by payroll and local execution of contracts. Some estimates expect this number to rise to $20 billion.