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.

A medical professional looks at medical scans on a computer screen.

Medical Scan

Cmdr. Christopher T. Kuzniewski, lead diagnostic cardiopulmonary radiologist at Naval Medical Center Portsmouth, Va., reads a scan using the black and white images taken by the $2 million, state-of-the-art dual-source CT scanner, Feb. 2, 2013.

Photo Gallery