PELELIU EXERCISE U.S. Navy Petty Officer 2nd Class Marlene Zamudio provides simulated treatment to Cpl. Jesse Koontz in the intensive care unit aboard the amphibious assault ship USS Peleliu during a mass casualty exercise at sea in the Pacific Ocean, March 13, 2008. SHARE: Download: Full Size (0.09 MB) Credit: VIRIN: 347708-B-FHK54-801.jpg Photo Gallery