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.

Half-marathon participants run between lines of onlookers.

Half Marathon

Matthew Cork, assigned to the 3rd Space Experimentation Squadron, runs through a crowd at the conclusion of the 13th annual half-marathon at Schriever Air Force Base, Colo., Oct. 12, 2018.

Photo Gallery