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.


Mar 14, 2011

Lance Cpl. Mathew S. Sievert, a Marine with the Combined Anti-Armor Team 1, Battalion Landing Team, 2nd Battalion, 5th Marines, 31st Marine Expeditionary Unit, treats a simulated casualty while wearing a gas mask, March 14. The 31st MEU continues to prepare for potential humanitarian assistance in support of Operation Tomodachi in mainland Japan. Marines and sailors of the 31st MEU are making preparations for disaster relief efforts after an 8.9 earthquake and subsequent tsunami struck Japan causing widespread damage. The 31st MEU is heading to Japan to be ready to provide support if called upon.

No camera details available.


Read More

This photograph is considered public domain and has been cleared for release. If you would like to republish please give the photographer appropriate credit. Further, any commercial or non-commercial use of this photograph or any other DoD image must be made in compliance with guidance found at, which pertains to intellectual property restrictions (e.g., copyright and trademark, including the use of official emblems, insignia, names and slogans), warnings regarding use of images of identifiable personnel, appearance of endorsement, and related matters.

No camera details available.

31st Marine Expeditionary Unit