An official website of the United States government
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.

banner

Video by Lance Cpl. Katherine Corado
Chief Warrant Officer 5 Michael O'Brien's Retirement Ceremony
Marine Corps Base Quantico
April 11, 2025 | 40:03
U.S. Marine Corps Chief Warrant Officer 5 Michael O’Brien is congratulated by attendees during his retirement ceremony at Lopez Hall, The Basic School on Marine Corps Base Quantico, April 11, 2025. O’Brien honorably served the United States Marine Corps for more than 29 years and received letters from the President of the United States and the Commandant of the Marine Corps in recognition for his service.(U.S. Marine Corps video by Lance Cpl. Katherine Corado)
More
Combat Development & Integration