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.

Army Spc. Buchanan uses an M2A2 Aiming Circle to orient an M252 81 mm mortar during an exercise at Fort A.P. Hill, Va., March 13, 2017. Buchanan is assigned to the 1st Battalion, 3rd United States Infantry Regiment “The Old Guard.” Army photo by Sgt. Steven Galimore

Aiming Circle

Army Spc. Buchanan uses an M2A2 Aiming Circle to orient an M252 81 mm mortar during an exercise at Fort A.P. Hill, Va., March 13, 2017. Buchanan is assigned to the 1st Battalion, 3rd United States Infantry Regiment “The Old Guard.” Army photo by Sgt. Steven Galimore

Photo Gallery