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

Senior Leaders Testify On Military Posture, National Security Challenges in Europe

  • War.gov
  • March 18, 2026 | 02:32:58

Daniel Zimmerman, assistant secretary of war for international security affairs, and Air Force Gen. Alexus Grynkewich, commander of U.S. European Command, testify on U.S. military posture and national security challenges in Europe during a House Armed Services Committee hearing in Washington, March 18, 2026.