The American Revolution – The National Archives

Free Revolutionary War Records – FamilySearch

Southern Campaigns – Revolutionary War Pensions & Rosters

War of 1812 Index to Service Records – FamilySearch

War of 1812 Discharge Certificates – The National Archives

Mexican War – The National Archives

NPS Search for Soldiers – The Civil War – The National Park Service

Online Spanish American War Indexes and Records – A genealogy guide

Online World War II Indexes and Records – A genealogy guide

Korean War Records – The National Archives

Online Vietnam War Indexes and Records – A genealogy guide

Request Military Service Records – The National Archives