Keywords: Flickr - Official U.S. Navy Imagery - A Sailor puts on her gas mask during a chemical, biological and radiological attack drill..jpg YORKTOWN Va May 30 2012 A Sailor assigned to Maritime Expeditionary Security Squadron MSRON 2 puts on her gas mask during a chemical biological and radiological attack drill MSRON 2 completed a unit level training and readiness assessment in preparation for its final deployment before merging into the Coastal Riverine Force next year U S Navy photo by Mass Communication Specialist 2nd Class Ernesto Hernandez Fonte/Released 120530-N-HN353-063 Join the conversation http //www facebook com/USNavy www facebook com/USNavy http //www twitter com/USNavy www twitter com/USNavy http //navylive dodlive mil navylive dodlive mil http //www flickr com/photos/usnavy/7314037948/ A Sailor puts on her gas mask during a chemical biological and radiological attack drill 2012-06-01 08 47 http //www flickr com/people/56594044 N06 Official Navy Page from United States of America MC2 Ernesto Hernandez Fonte/U S Navy U S Navy photo PD-USGov-Military-Navy Official U S Navy Imagery http //flickr com/photos/56594044 N06/7314037948 2012-11-13 10 01 21 cc-by-2 0 Images from United States Navy to check United States Navy images |