U.S. Navy Lt. Cmdr. Rodney Scott, a dentist, prepares an amalgam filling as Hospital Corpsman 3rd Class Shaunta Johnson, his assistant, watches over their patient at the emergency medical facility on Camp Lemonier, Djibouti, Sept. 28, 2009.
(DoD photo by Mass Communication Specialist 2nd Class Marc Rockwell-Pate, U.S. Navy/Released). Original public domain image from Flickr