150424-N-NK134-013 PUERTO BARRIOS, Guatemala (April 24, 2015) Capt. Christine Sears, commanding officer of the military treatment facility aboard the Military Sealift Command hospital ship USNS Comfort (T-AH 20), talks with dentist John Duhaime, a volunteer with the non-governmental organization University of California San Diego Pre-Dental Society, at a medical assistance site set up at Casa Social del Maestro Prof. Leopoldo in Puerto Barrios during Continuing Promise 2015. 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)