"This report discusses the FY2016 appropriations for the Department of Homeland Security (DHS) and provides an overview of the Administration's FY2016 request. The report makes note of many budgetary resources provided to DHS, but its primary focus is on funding approved by Congress through the appropriations process. It also includes an appendix with definitions of key budget terms used throughout the suite of Congressional Research Service reports on homeland security appropriations. It also directs the reader to other reports providing context for and additional details regarding specific component appropriations and issues engaged through the FY2016 appropriations process."
CRS Report for Congress, R44053
Federation of American Scientists: http://www.fas.org/sgp/crs/index.html