150401-N-WA189-176 RIO DE JANEIRO, Brazil (March 31, 2015) Rear Adm. George Ballance, right, commander of U.S. Naval Forces Southern Command and U.S. 4th Fleet, shakes hands with Brazilian navy Rear Adm. Flavio A. V. Rocha after being awarded the Navy and Marine Corps Commendation Medal. Rocha was awarded for his time spent at the U.S. Naval Academy. (U.S. Navy photo by Mass Communication Specialist 2nd Class Adam Henderson/Released)