191127-N-FK463-1004 PACIFIC OCEAN (Nov. 27, 2019) Quartermaster 2nd Class Aaron Moncada, from San Antonio, uses a telescopic alidade to measure the position of the Arleigh Burke-class guided-missile destroyer USS John Finn (DDG 113), Nov. 27, 2019. John Finn is underway conducting routine training in the Eastern Pacific Ocean. (U.S. Navy Photo by Fire Controlman 1st Class Brenda Ezenwaokpala/Released)