190708-N-NU281-1125 SOUTH PACIFIC OCEAN (July 8, 2019) Ensign Autumn Estrada stands watch as the conning officer in the pilot house of the Arleigh Burke-class guided-missile destroyer USS Michael Murphy (DDG 112) as it sails in formation with the Chilean navy frigates CNS Almirante Williams (FF-19), CNS Almirante Condell (FF-06), and CNS Almirante Latorre (FFG-14) as the two navies begin exercise Teamwork South 2019. Teamwork South is a biennial Chilean naval exercise that focuses on conducting training scenarios in intermediate and advanced anti-surface and anti-submarine warfare operations. (U.S. Navy photo by Mass Communication Specialist 2nd Class Justin R. Pacheco/Released)