Operating room nurse Army Capt. Rory Walton, left, and nurse anesthetist Navy Lt. Cmdr. William Rolfes prepare to move a Salvadoran patient after surgery aboard the Military Sealift Command hospital ship USNS Comfort in Acajutla, El Salvador, during Continuing Promise, June 18, 2015. U.S. Navy photo by Petty Officer 2nd Class Derek Paumen Operating room nurse Army Capt. Rory Walton, left, and nurse anesthetist Navy Lt. Cmdr. William Rolfes prepare to move a Salvadoran patient after surgery aboard the Military Sealift Command hospital ship USNS Comfort in Acajutla, El Salvador, during Continuing Promise, June 18, 2015. U.S. Navy photo by Petty Officer 2nd Class Derek Paumen SHARE: Download: Full Size (0.176702 MB) Credit: VIRIN: 997116-O-KQL56-800.jpg Photo Gallery