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This report presents casualty data compiled by the Department of Defense (DOD), as tallied from the agency’s press releases.

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This report discusses the "oil-for-food" program (OFFP) as the centerpiece of a long-standing U.N. Security Council effort to alleviate human suffering in Iraq while maintaining key elements of the 1991 Gulf war-related sanctions regime. The program, in operation from December 1996 until March 2003, is detailed.

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This report examines a number of issues being considered by Congress as the FY2007 National Defense Authorization Act evolves. In each case, a brief synopsis is provided that includes background information, a comparison of the House and Senate provisions, if any, and a brief discussion of the issue. Where appropriate, other CRS products are identified to provide more detailed background information and analysis of the issue. For each issue, a CRS analyst is identified and contact information is provided.

This report provides statistics on fatalities during Operation Iraqi Freedom, which began on March 19, 2003, as well as on the number of fatalities since May 1, 2003, plus statistics on those wounded, but not killed, since March 19, 2003.

Responsibility for overseeing reconstruction in post-conflict Iraq initially fell to the Office of Reconstruction and Humanitarian Assistance (ORHA). Established in early 2003, ORHA had been replaced by June of that year by the Coalition Provisional Authority (CPA). On June 28, 2004, CPA ceased operations. Whether CPA was a federal agency is unclear. Some executive branch documents supported the notion that it was created by the President. Another possibility is that the authority was created by, or pursuant to, United Nations Security Council Resolution 1483. This report discusses the issue of CPA's status as an agency, including the uncertain circumstances regarding its creation and demise, as well as relevant legislation and subsequent lawsuits.

Since October 2001, Improvised Explosive Devices (IEDs, or roadside bombs) have been responsible for many of the more than 2,000 combat deaths in Iraq, and 178 combat deaths in Afghanistan. IEDs are hidden behind signs and guardrails, under roadside debris, or inside animal carcasses, and encounters with these bombs are becoming more numerous and deadly in both Iraq and Afghanistan. Department of Defense (DOD) efforts to counter IEDs have proven only marginally effective, and U.S. forces continue to be exposed to the threat at military checkpoints, or whenever on patrol. IEDs are increasingly being used in Afghanistan, and DOD reportedly is concerned that they might eventually be more widely used by other insurgents and terrorists worldwide.

Iran's influence over the post-Saddam government in Iraq is substantial because the predominant parties in that government have long enjoyed Tehran's sponsorship. An emerging concern is that Iran's influence has extended to support for militant groups in Iraq. U.S. officials say that sophisticated explosive devices are entering Iraq from Iran, suggesting that Iran, or factions within Iran, are backing Iraqi factions that use violence to oppose the U.S. presence in Iraq.

Iraq's current government, the result of a U.S.-supported election process designed to produce democracy, is instead a sectarian government incapable of reconciliation. The Administration says that the passage of some key laws represents progress on national reconciliation, and is a result of the U.S. "troop surge." Others say that combat among Shiite groups since March 2008, possibly motivated by provincial elections planned for October 2008, shows that force will not stabilize Iraq.

The Kurdish-inhabited region of northern Iraq is relatively peaceful and prospering economically, but the Iraqi Kurds' political autonomy and political strength in post- Saddam Iraq is causing friction with Arab leaders in Iraq, Turkey, and Iran. However, an overall reduction in violence in Iraq, coupled with continued U.S. political influence over the Kurds, is likely to prevent a destabilizing escalation of the Iraqi Kurd-Arab disputes. Also see CRS Report RL31339, Iraq: Post-Saddam Governance and Security, by Kenneth Katzman.

Iran is materially assisting and influencing major Shiite Muslim factions in Iraq, most of which have ideological, political, and religious ties to Tehran. The Shiite faction of paramount concern to the Administration is that of Moqtada Al Sadr, whose Mahdi Army militia has periodically battled U.S. and Iraqi government forces, although it is currently relatively quiescent.

This report will examine logistical support contracts for troop support services (also known as service contracts) in Iraq and Afghanistan, primarily administered through a smaller program, the United States Air Force Contract Augmentation Program (AFCAP) and a larger program, the United States Army's Logistics Civil Augmentation Program (LOGCAP). This report will focus primarily on contracts involving Department of Defense (DOD) appropriated funds, although some projects involve a blending of funds from other agencies.

The Navy for several years has carried out a variety of irregular warfare (IW) and counterterrorism (CT) activities, and has taken some steps in recent years to strengthen its ability to conduct such activities. Among the most readily visible of the Navy's current IW operations are those being carried out by Navy sailors serving ashore in Iraq and Afghanistan. The Navy's IW and CT activities pose a number of potential oversight issues for Congress, including the definition of Navy IW activities, specific Navy IW budget priorities, and how much emphasis to place on IW and CT activities in future Navy budgets.

This report presents difficult-to-find statistics regarding U.S. military casualties in Operation New Dawn (OND), Operation Iraqi Freedom (OIF), and Operation Enduring Freedom (OEF, Afghanistan), including those concerning post-traumatic stress disorder (PTSD), traumatic brain injury (TBI), amputations, evacuations, and the demographics of casualties. Some of these statistics are publicly available at the Department of Defense's (DOD's) website, while others have been obtained through contact with experts at DOD. Daily updates of total U.S. military casualties in OND, OIF, and OEF can be found at the DOD's website, at http://www.defenselink.mil/news/casualty.pdf.

Much of the debate over U.S. policy toward Iran has centered on the nature of the current regime; some believe that Iran, a country of about 70 million people, is a threat to U.S. interests because hardliners in Iran's regime dominate and set a policy direction intended to challenge U.S. influence and allies in the region. President George W. Bush, in his January 29, 2002, State of the Union message, labeled Iran part of an "axis of evil" along with Iraq and North Korea.

This report discusses Iraq's political system that is increasingly characterized by peaceful competition and formation of cross-sectarian alliances. However, ethnic and sectarian political and sometimes violent infighting continues, often involving the questionable use of key levers of power and legal institutions. This infighting-and the belief that holding political power may mean the difference between life and death for the various political communities-significantly delayed agreement on a new government that was to be selected following the March 7, 2010, national elections for the Council of Representatives (COR, parliament)

This report gives a summary of the usage of the War Powers Resolution (WPR) and various issues related to proposals to modify or repeal the resolution. The report summarizes the most recent developments and background, and gives an overview of United Nations actions, and WPR activities in former Yugoslavia/Bosnia, Kosovo, Iraq (post-1991), Haiti, and Somalia. It also includes commentary on the instances formally reported under the WPR, the requirement for consultation with Congress, and the current issues which Congress is considering.

This report provides background and current information on the Islamic State, a transnational Sunni Islamist insurgent and terrorist group that has expanded its control over areas of northwestern Iraq and northeastern Syria since 2013. The report also examines possible U.S. policy options in the wake of increasing international outrage at the Islamic States' brutality and apparent disregard for typical human rights conventions.

This report addresses select legal questions raised by the use of military force against Islamic State (IS). Questions addressed in this report include potential sources (and limitations) of presidential authority to use military force against the Islamic State without congressional authorization; the potential relevance of the 2002 Authorization for Use of Military Force Against Iraq (2002 Iraq AUMF; P.L. 107-243) and the 2001 Authorization for Use of Military Force (2001 AUMF; P.L. 107-40); the applicability of the United Nations Charter to ongoing U.S. military strikes in Iraq and any prospective strikes against IS forces in Syria; and the constraints imposed by the War Powers Resolution upon U.S. military action that has not been authorized by Congress.

This report briefly discusses different options available for confronting the Islamic State (IS, formerly known as ISIS or ISIL) with the use of military force. The examines the legal considerations relevant to each approach.