INDIAN OCEAN (Feb. 11, 2021) Aviation Boatswain's Mate (Fuels) 3rd Class Emely Ortega removes a millicore filter to begin testing for any sediment in a fuel sample on board the Expeditionary Sea Base USS Hershel "Woody" Williams (ESB 4) in the Indian Ocean, Feb. 11, 2021. Hershel Williams is operating in U.S. 6th Fleet to conduct interoperability training and building strategic partnerships with their African partners. (U.S. Navy photo by Mass Communication Specialist 2nd Class Eric Coffer)