CBO examined the threat that adversaries equipped with land-attack cruise missiles might pose to the U.S. homeland and estimated the costs of several defensive systems that could be fielded to protect the United States from such attacks.
This report discusses a range of threats that could cause widespread, long-lasting disruptions for the electric grid. CBO examines two illustrative approaches to enhance the security of the electric grid and highlights some considerations for policymakers to take into account.
Scanning and imaging all U.S.-bound shipping containers at overseas ports would cost $12 billion to $32 billion over 10 years, CBO estimates. Boosting the number of containers imaged at U.S. ports instead would cost considerably less.