An official website of the United States government
Here's how you know
A .mil website belongs to an official U.S. Department of Defense organization in the United States.
A lock (lock ) or https:// means you’ve safely connected to the .mil website. Share sensitive information only on official, secure websites.


Marine Helicopter Squadron One
Official Seal for Marine Corps Helicopter Squadron One (HMX-1)
Headquarters Marine Corps
Marine Corps Air Facility Quantico, Va.
Marine Corps Helicopter Squadron One