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.

Four Marines, two lying on the ground, one kneeling to throw a grenade and one standing with an arm raised, are seen on a grassy field, with green smoke and trees in the background during daytime.

Throwing Smoke

Marines throw smoke grenades during training for infantry squad and section leaders at Marine Corps Base Camp Lejeune, N.C., Nov. 18, 2025.

Photo Gallery