150424-N-NK134-125 PUERTO BARRIOS, Guatemala (April 24, 2015) Dentist Kathleen Kenny, right, a volunteer with the University of California San Diego Pre-Dental Society, and dental technician Marketa Kletetschkova, also a volunteer with the University of California San Diego Pre-Dental Society, perform a dental cleaning on a patient at a medical assistance site set up at Casa Social del Maestro Prof. Leopoldo in Puerto Barrios during Continuing Promise 2015 (CP-15). Personnel from the University of California San Diego Pre-Dental Society are working alongside joint military personnel and other volunteers embarked aboard the Military Sealift Command hospital ship USNS Comfort (T-AH 20). Continuing Promise is a U.S. Southern Command-sponsored and U.S. Naval Forces Southern Command/U.S. 4th Fleet-conducted deployment to conduct civil-military operations including humanitarian-civil assistance, subject matter expert exchanges, medical, dental, veterinary and engineering support and disaster response to partner nations and to show U.S. support and commitment to Central and South America and the Caribbean. (U.S. Navy photo by Mass Communication Specialist 2nd Class Derek Paumen/Released)