A mannequin and a bag valve mask are used to train U.S. Marines in cardiopulmonary resuscitation (CPR) for emergency procedures at Marine Corps Air Station Beaufort, S.C., Jan. 28, 2010. Marines use CPR techniques to assist people in cardiac or respiratory arrest.
Lance Cpl. Kevin Clark
Taken on 28 January 2010
<a rel="nofollow" class="external free" href="http://www.defenseimagery.mil/imageRetrieve.action?guid=18a3d769dd3c5decee7502fdcd193a5c683aa2e6&amp;t=2">http://www.defenseimagery.mil/imageRetrieve.action?guid=18a3d769dd3c5decee7502fdcd193a5c683aa2e6&amp;t=2</a>