Keywords: US Navy 050930-N-6843I-024 U.S. Navy Ens. Frank Percy, right, a physician^rsquo,s assistant observes corpsmen prepare a patient for a Computerized Tomography (CT) scan.jpg en Los Angeles Sept 30 2005 - U S Navy Ens Frank Percy right a physician s assistant from Naval Medical Center San Diego observes corpsmen at the Los Angeles County + University of Southern California Medical Center LAC+USC Navy Trauma Training Center NTTC prepare a patient for a Computerized Tomography CT scan A CT Scan is used to take multiple X-ray images of the body U S Navy photo by Journalist Seaman S C Irwin RELEASED 2005-09-30 050930-N-6843I-024 Navy http //www navy mil/view_image asp id 28825 U S Navy photo by Journalist Seaman S C Irwin PD-USGov-Military-Navy Los Angeles County+USC Medical Center Hospital Corpsman |