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.

Two airmen stand near an aircraft engine.

Herculean Task

Air Force Senior Airman Tim Johnson and Senior Airman Hunter Mitchell evaluate the engine of a C-130H Hercules at the 179th Airlift Wing in Mansfield, Ohio, June 26, 2018. The diagnostic test requires the engine to be running for the airman to identify the cause of the issue.

Photo Gallery