PERTH, Australia (April 28, 2022) Sailors assigned to the Los Angeles-class fast-attack submarine USS Springfield (SSN 761) haul mooring lines as the submarine moors at Diamantina Pier at Royal Australian Navy base HMAS Stirling on Garden Island, off the coast of Perth, Australia, April 28, 2022. Springfield is currently on patrol in support of national security in the U.S. 7th Fleet area of operations. (U.S. Navy photo by Mass Communication Specialist 1st Class Charlotte C. Oliver)