Nuclear Security Spending Assessing Costs Examining Priorities Author:Stephen I. Schwartz and Deepti Choubey The United States spent over $52 billion on nuclear weapons and related programs in fiscal year 2008, but only 10 percent of that went toward preventing a nuclear attack through slowing and reversing the proliferation of nuclear weapons and technology. That is the main finding of Nuclear Security Spending: Assessing Costs, Examining Priorities, ... more »a new study that uses publicly available documents and extensive interviews with government officials and experts to calculate the U.S. nuclear security "budget." The United States has never tracked nuclear weapons-related spending comprehensively, hindering effective oversight and weighing of priorities in nuclear security policy.« less