	Introduction

This report provides war casualty statistics. It includes data tables containing the number of fatalities and the number of wounded among American military personnel who served in principal wars and combat actions from 1775 to the present. It also includes information such as race and ethnicity, gender, branch of service, and, in some cases, detailed information on types of casualties and causes of death. Casualty statistics for conflicts prior to the Persian Gulf War (Desert Shield and Desert Storm) are updated periodically by the DCAS of the DMDC. The data on World War II, the Korean War and the Vietnam War, respectfully, are taken from the U.S. National Archives. The data for Operation Enduring Freedom (OEF); Operation Iraqi Freedom (OIF); Operation New Dawn (OND); Operation Inherent Resolve (OIR); and Operation Freedom's Sentinel (OFS), respectively, are available from the Defense Casualty Analysis System website at https://dcas.dmdc.osd.mil/dcas/pages/casualties.xhtml . Resources

This section provides information on authoritative sources for statistics; demographic indicators by conflict; websites for additional sources of research; and other publications including related CRS reports. The names of U.S. military personnel killed in major wars and other combat actions are published in the following sources:

			World War I

Soldiers of the Great War, Volume 1-3 from the collection of the Harvard University Library.
This report provides U.S. war casualty statistics. It includes data tables containing the number of casualties among American military personnel who served in principal wars and combat operations from 1775 to the present. It also includes data on those wounded in action and information such as race and ethnicity, gender, branch of service, and cause of death. The tables are compiled from various Department of Defense (DOD) sources.
Wars covered include the Revolutionary War, the War of 1812, the Mexican War, the Civil War, the Spanish-American War, World War I, World War II, the Korean War, the Vietnam Conflict, and the Persian Gulf War. Military operations covered include the Iranian Hostage Rescue Mission; Lebanon Peacekeeping; Urgent Fury in Grenada; Just Cause in Panama; Desert Shield and Desert Storm; Restore Hope in Somalia; Uphold Democracy in Haiti; Operation Enduring Freedom (OEF); Operation Iraqi Freedom (OIF); Operation New Dawn (OND); Operation Inherent Resolve (OIR); and Operation Freedom's Sentinel (OFS).
Starting with the Korean War and the more recent conflicts, this report includes additional detailed information on types of casualties and, when available, demographics. It also cites a number of resources for further information, including sources of historical statistics on active duty military deaths, published lists of military personnel killed in combat actions, data on demographic indicators among U.S. military personnel, related websites, and relevant Congressional Research Service (CRS) reports.