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 () or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Photo Gallery

Sliding Hammer

Marine Corps Lance Cpl. Modesto Martinez uses a sliding hammer on grounding rods during a casualty evacuation exercise at Fire Base Burt, Chocolate Mountain Aerial Gunnery Range, Calif., Oct. 22, 2015. Martinez is assigned to 1st Medical Battalion, 1st Marine Logistics Group. U.S. Marine Corps photo by Lance Cpl. Roderick L. Jacquote

Download Image: Full Size (1.95 MB)