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.

Air Force Col. Harry Shoup sits in the cockpit of a plane.

Tracking Santa

Air Force Col. Harry Shoup, the operations officer at North American Aerospace Defense Command’s precursor organization, answered a wrong-number call on Dec. 24, 1955, and began the tradition of NORAD tracking Santa.

Photo Gallery