U.S. Air Force Memorial Temporary Closure

Beginning on or about Nov. 2, 2026, the U.S. Air Force Memorial and surrounding area will temporarily close to all visitors to support ongoing utilities and construction work associated with Arlington National Cemetery’s Southern Expansion project.

Published on: Monday, October 26, 2026 read more ...

A Century of Honor:
A Commemorative Guide to the Tomb of the Unknown Soldier

Commemorative Guide Cover Photo

By the Arlington National Cemetery History Office

Since November 11, 1921, the Tomb of the Unknown Soldier has served as the heart of Arlington National Cemetery. As a sacred memorial site and the grave of three unknown American service members, the Tomb connects visitors with the legacy of the United States armed forces throughout the nation’s history. It functions as a people’s memorial that inspires reflection on service, valor, sacrifice, and mourning. 

This Commemorative Guide tells the story of the Tomb's creation, history, and significance. 

•  Explore the Commemorative Guide (PDF)