Exum does some math: 

A Tomahawk Missile cost $569,000 in FY99, so if my calculations are correct, they cost a little over $736,000 today assuming they are the same make and model. The United States fired 110 missiles [Saturday], which adds up to a cost of around $81 million.

We want to hear what you think about this article. Submit a letter to the editor or write to letters@theatlantic.com.