170716-N-MD297-418 CALLAO, Peru (July 16, 2017) Master Chief Petty Officer of the Navy Steven S. Giordano, right, speaks with Peruvian navy Rear Adm. Alberto Alcala Luna, Peru's surface force commander, and Rear Adm. Sean S. Buck, commander, U.S. Naval Forces Southern Command, during UNITAS 2017 in Callao, Peru. The annual multi-national exercise that focuses on strengthening our existing regional partnerships and encourages establishing new relationships through the exchange of maritime mission-focused knowledge and expertise through the exercise. (U.S. Navy photo by Mass Communication Specialist 2nd Class Huey D. Younger Jr./Released)