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 Staff Sgt. Kevin Byrns walks around the ski-equipped LC-130 Hercules cargo planes following a mission to one of the remote science outposts in Greenland, July 29, 2010. Byrns, a crew chief is assigned to the 109th Airlift Wing of the New York Air National Guard.

U.S. Air Force Staff Sgt. Kevin Byrns walks around the ski-equipped LC-130 Hercules cargo planes following a mission to one of the remote science outposts in Greenland, July 29, 2010. Byrns, a crew chief is assigned to the 109th Airlift Wing of the New York Air National Guard.

U.S. Air Force Staff Sgt. Kevin Byrns walks around the ski-equipped LC-130 Hercules cargo planes following a mission to one of the remote science outposts in Greenland, July 29, 2010. Byrns, a crew chief is assigned to the 109th Airlift Wing of the New York Air National Guard.

Photo Gallery