Focuses on lessons learned from four rounds of base realignments and closures (BRACs) held in 1988, 1991, 1993, and 1995. Addresses the applicability of these lessons to future BRACs as related to savings, costs, and economic impact; legislative actions needed to authorize future BRAC rounds; and what improvements would be needed in the Department of Defense's process for identifying bases for realignment and closure. Charts and tables.