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 Force Senior Airmen Erica Plymale (left) and Angelique Hasz, 28th Maintenance Squadron aerospace propulsion journeymen, tighten bolts on a B-1B Lancer aircraft engine at Ellsworth Air Force Base, S.D., on March 11, 2010.

Senior Airmen Erica Plymale and Angelique Hasz tighten bolts on a B-1B Lancer aircraft engine.

U.S. Air Force Senior Airmen Erica Plymale (left) and Angelique Hasz, 28th Maintenance Squadron aerospace propulsion journeymen, tighten bolts on a B-1B Lancer aircraft engine at Ellsworth Air Force Base, S.D., on March 11, 2010.

Photo Gallery