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 man sits in front of a laptop computer.

John D. Hill

John D. Hill, performing the duties of the assistant secretary of defense for space policy, attends a virtual House Armed Services Committee and a Foreign House Foreign Affairs Committee subcommittee hearing on “Creating Framework for Rules Based Order in Space” at the Pentagon, May 5, 2021.

  • Download: Full Size (2.46 MB)
  • Credit: Air Force Staff Sgt. Jack Sanders VIRIN: 210505-D-XI929-2002.JPG
Photo Gallery