Keywords: Flickr - Official U.S. Navy Imagery - Sailors use an oxygen mask..jpg SAN DIEGO Aug 23 2012 Aircrew Survival Equipmentman 2nd Class Scharlanea Cleveland right and Aircrew Survival Equipmentman 2nd Class Alex Gardner both stationed at Fleet Readiness Center Southwest use an oxygen mask regulator helmet and communication test set during 30-day flight equipment checks U S Navy photo by Mass Communication Specialist 2nd Class Trevor Welsh/Released 120823-N-ZS026-031 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/7879788748/ Sailors use an oxygen mask 2012-08-28 08 15 http //www flickr com/people/56594044 N06 Official Navy Page from United States of America MC2 SW/AW Trevor Welsh/U S Navy Attribution License XMP-photoshop Source Navy Visual News Service PD-USGov-Military-Navy Official U S Navy Imagery http //flickr com/photos/56594044 N06/7879788748 2012-11-12 22 10 10 cc-by-2 0 Images from United States Navy to check United States Navy images |