USNS COMFORT U.S. Navy Lt. Megan Zeller, an intensive care unit nurse, checks the vital signs of a patient, while he recovers after surgery aboard the hospital ship USNS Comfort in Acajutla, El Salvador, July 31, 2007. SHARE: Download: Full Size (0.03 MB) Credit: VIRIN: 659179-P-LHG24-315.jpg Photo Gallery