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 sailor works on a helicopter against a cloudy, blue sky.

Preflight Checks

Navy Lt. Cmdr. Jeffrey Lee conducts preflight checks on an MH-60R Sea Hawk helicopter before a flight in the Gulf of America, April 8, 2025. U.S. Northern Command is working together with the Department of Homeland Security to augment U.S. Customs and Border Protection along the southern border with additional military forces.

Photo Gallery