This report analyzes war funding for the Defense Department and tracks funding for USAID and VA Medical funding. Information on costs is useful to Congress to assess the FY2010 Supplemental for war costs for the Department of Defense (DOD) and State/USAID, FY2011 war requests, conduct oversight of past war costs, and consider the longer-term costs implications of the buildup of troops in Afghanistan and potential problems in the withdrawal of U.S. troops from Iraq.

This report provides background, discussing constitutional provisions allocating war powers between Congress and the President, and presenting a historical overview of relevant court cases.

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This report analyzes the offensive in northern and central Iraq led by the Islamic State of Iraq and the Levant (ISIL, aka ISIS) -- a Sunni Islamist insurgent and terrorist group -- with a discussion of the offensive's implications, the U.S. response, and related issues.

This report provides an overview of the situation in Iraq and discusses the U.S. response, Syria and Iran dimension, and addresses selected additional issues raised by this crisis.

This report begins by discussing the historical legal framework governing U.S. military operations in Iraq. The report then provides a general background as to the contents of agreements traditionally considered Status of Forces Agreements (SOFAs). Finally, the report discusses specific aspects of the SOFA, highlighting issues that may require continued congressional oversight.

This report is divided into two main parts: the first describes in detail the actions taken by Congress concerning the planned Iraq Agreements, including legislative initiatives and congressional hearings; the second provides a range of options for further congressional action concerning Congress's role in negotiating, executing, and implementing the Iraq Agreements.