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.

Videos

Videos of what’s happening in the Defense Department.

Play Play

DOD Officials Discuss Missile Defense Review

  • Defense.gov
  • Feb. 1, 2019 | 01:27:26

Deputy Undersecretary of Defense for Policy David J. Trachtenberg and Air Force Lt. Gen. Samuel Greaves, director of the Missile Defense Agency, discuss the Missile Defense Review at the Center for Strategic and International Studies in Washington, Feb. 1, 2019.