150530-A-ZA034-091 COLÓN, Panama (May 30, 2015) Capt. Errin Armstrong, deputy commodore of Destroyer Squadron (DESRON) 40, speaks to a U.S congressional delegation about X-ray capabilities during a tour aboard the Military Sealift Command hospital ship USNS Comfort (T-AH 20) 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. Army photo by Pfc. Tomarius Roberts/Released)