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 fire test is being conducted.

Hot Fire Test

An X-60A hot fire test is conducted at Cecil Spaceport in Jacksonville, Fla., Jan. 14, 2020. The X-60A, developed through an Air Force Research Laboratory Small Business Innovation Research contract, is an air-launched rocket designed for hypersonic flight research.

Photo Gallery