Background 1
　Defining the U.S. Defense Industrial Base 1
　Historical Development of the DIB 2
　　Early Origins through the Cold War 2
　　1991 to Today 5
　Overview of the Contemporary DIB 6
　　Commercial Sector 6
　　Nonprofit and Public Sector 11
　Government Stewardship of the DIB 17
　　The Role of the Executive 18
　　The Role of Congress 22
Issues for Congress 24
　'Right - Sizing' the Industrial Base 24
　　Assessing and Managing Capacity 24
　　The DIB and Great Power Competition 25
　　An Arsenal of Democracy? 27
　Regulating Private Industry 28
　　Competition and Consolidation 28
　　Business Practices and the Role of Government 32
　Supply Chains and Sourcing Requirements 34
　　Supply Chain Resilience 34
　　Onshoring and 'Friendshoring' 35
　　Domestic Content Requirements and Restriction 36