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.

U.S Air Firce Senior Master Sgt. Nate Tennyson tackles the 823rd Red Horse Squadron's obstacle course during a Silver Flag exercise at Tyndall Air Force Base, Fla., Nov. 2, 2008. Silver Flag provides contingency training in which airmen from various career fields can train and interact in a realistic environment.

U.S Air Firce Senior Master Sgt. Nate Tennyson tackles the 823rd Red Horse Squadron's obstacle course during a Silver Flag exercise at Tyndall Air Force Base, Fla., Nov. 2, 2008. Silver Flag provides contingency training in which airmen from various career fields can train and interact in a realistic environment.

U.S Air Firce Senior Master Sgt. Nate Tennyson tackles the 823rd Red Horse Squadron's obstacle course during a Silver Flag exercise at Tyndall Air Force Base, Fla., Nov. 2, 2008. Silver Flag provides contingency training in which airmen from various career fields can train and interact in a realistic environment.

Photo Gallery