The Costs of War

This map via Smithsonian Magazine shows much* of the breadth of US military and government anti terrorist actions.

The map was developed by Brown University's Costs of War Project. Since the image is a bit blurry when zoomed in, here is a detail from their web page,

and also an enlarged legend.

 "We found that, contrary to what most Americans believe, the war on terror is not winding down—it has spread to more than 40 percent of the world’s countries."

Read more at: Smithsonian and even more at the Costs of War Project

  
* as stated in the article "U.S. efforts to combat terrorism abroad are likely more extensive than this map shows."