The Pentagon is the headquarters of the United States Department of Defense, in Arlington County, Virginia, across the Potomac River from Washington, D.C. The building was constructed on an …

Apr 30, 2026 · Our mission is to provide the military forces needed to deter war and ensure our nation's security.

About the Tour The Pentagon, one of the world's largest office buildings, is the headquarters of the Department of War. Located in the Washington, D.C., area, the five-sided building has three times …

The Pentagon is headquarters for the Department of War, a military command center, and a secure facility. Access to the Pentagon Reservation is restricted to the conduct of Department of War …

Conceived in the summer of 1941, and completed at breakneck speed in only 16 months, the Pentagon initially fulfilled a seemingly conventional task. Covering nearly 29 acres, it provided much-needed …

Visit the Pentagon Learn what is required to visit the Pentagon, which is the headquarters of the Department of Defense, a military command center, and a secure facility.

Headquartered at the Pentagon in Arlington County, Virginia, just outside Washington, D.C., the stated mission of the Department of Defense is "to provide the military forces needed to deter war and …

The Pentagon uploaded the files to its UFO website. Four of the videos show eyewitness footage of strange encounters, a shift from previous releases, which were dominated by military footage.

The Welcome to the Pentagon Handbook provides all Pentagon employees with a detailed reference guide to the services found within the 200-acre complex. The chapters provided will help you...

Jun 11, 2026 · The Pentagon was locked down and partially evacuated on Thursday due to a false alarm by a hazardous materials sensor, two sources familiar told CNN.