Figure 1 is a bar chart that shows the total number of 48-hour reports filed within a presidential administration through December 31, 2019, broken down by term where applicable.

Figure 2 illustrates the breakdown of the 105 reports in the dataset as of December 31, 2019, broken down by their stated purpose or mission.

Figure 3 is a bar chart that shows the 20 reports in the dataset coded as having the purpose or mission of “response to a threat.” They have been broken down further to show whether the threat emanated from a state or non-state actor, and divided into the periods before and after 1998, which marked a turning point in the type of enemy targeted by the U.S. in the reported operations.

Figure 4 is a bar chart that shows the domestic legal authority cited in the 105 reports in the dataset as of December 31, 2019: Article II authority alone, a combination of Article II authority and statutory authorization, or no legal authority cited.