Appropriations are one part of a complex federal budget process that includes budget resolutions, appropriations (regular, supplemental, and continuing) bills, rescissions, and budget reconciliation bills. This report is a guide to CRS reports that provide analytical perspectives on the 13 annual appropriations bills, and other related appropriation measures. It does not include a detailed explanation or description of the budget or appropriations processes. It is designed to supplement the information provided by the House and Senate Defense Appropriations Subcommittees.