181215-N-GC639-1184 ARABIAN SEA (Dec. 15, 2019) Sailors simulate anti-submarine warfare in the combat information center aboard the guided-missile destroyer USS Spruance (DDG 111) during the anti-submarine warfare exercise SHAREM 195 in the Arabian Sea, Dec. 15, 2018. Spruance is deployed to the U.S. 5th Fleet area of operations in support of naval operations to ensure maritime stability and security in the Central Region, connecting the Mediterranean and the Pacific through the western Indian Ocean and three strategic choke points. (U.S. Navy photo by Mass Communication Specialist 1st Class Ryan D. McLearnon)