Discusses the geographic impact of base closures and realignments; and summarizes federal economic assistance programs for communities and individuals affected by military base closures and realignments (BRAC). The 2005 BRAC round includes the closure or realignment of 837 facilities and involves an additional 160 facilities that will gain missions or resources, for a total of 997 changes nationwide. Unlike previous rounds, the 2005 BRAC round is focused on creating the infrastructure needed to support a transformed, expeditionary armed force ¿ concentrated more on shifting forces and installation assets to promote the centralization of units in places from which they can be deployed rapidly. Charts and tables.