Most Expensive Wars in US History

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With the recent commemoration of the 75th anniversary of D-Day, we are reminded once again of the human cost of freedom and liberty. While some attempt to rank wars by the number of casualties, others would consider the social, environmental, and political upheaval that comes with sustained conflict. And of course, there is always the financial cost.

Many factors can affect the cost of waging war. To determine the most expensive wars in U.S. history, 24/7 Wall St. used a 2010 report from the Congressional Research Service titled “Costs of Major U.S. Wars.”

Click here to see the most expensive wars in U.S. history.
Click here to see our detailed findings and methodology.