From the Document: "Of the $750 billion requested by the Trump Administration for discretionary spending on National Defense-related activities in FY2020, approximately $742 billion falls within the scope of the National Defense Authorization Act (NDAA). The request includes $718.4 billion for operations of the Department of Defense (DOD) and $23.2 billion for defense-related work by the Energy Department involving nuclear energy, mostly related to nuclear weapons and nuclear power plants for warships. Other funding for defense-related activities, such as counter-intelligence work of the Federal Bureau of Investigation (FBI), falls under the jurisdiction of other congressional committees."
CRS In Focus, IF11258
Congressional Research Service: https://crsreports.congress.gov/