190818-N-OQ778-1079 RIO DE JANEIRO (Aug. 18, 2019) The amphibious dock landing ship USS Carter Hall (LSD 50) conducts air landing cushion craft (LCAC) operations in support of UNITAS LX in Rio de Janeiro Aug. 18, 2019. UNITAS, which is Latin for unity, was conceived in 1959, first executed in 1960 and has been held every year since. (U.S. Navy photo by Mass Communication Specialist 3rd Class Kody A. Phillips/Released)