An official website of the United States Government 
Here's how you know

Official websites use .gov

A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS

A lock ( lock ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Photos

Snapshots of what’s happening in the Defense Department.

Four U.S. Air Force Thunderbird F-16 Fighting Falcon aircraft fly in formation during the Dakota Thunder Air Show on Ellsworth Air Force Base, S.D., May 31, 2009. More than 40,000 people attended the two-day event.

FALCON FOUR

Four U.S. Air Force Thunderbird F-16 Fighting Falcon aircraft fly in formation during the Dakota Thunder Air Show on Ellsworth Air Force Base, S.D., May 31, 2009. More than 40,000 people attended the two-day event.

Photo Gallery