150331-N-WA189-008 RIO DE JANEIRO (March 31, 2015) Rear Adm. George Ballance, center, commander of U.S. Naval Forces Southern Command and U.S. 4th Fleet, renders honors to Brazilian navy Rear Adm. Renato Melo, director of the Brazilian Naval War College after conducting an office call. (U.S. Navy photo by Mass Communication Specialist 2nd Class Adam Henderson/Released)