PERTH, Australia (April 28, 2022) Royal Australian Navy sailors and Sailors assigned to the Los Angeles-class fast-attack submarine USS Springfield (SSN 761) conduct a weapons handling exercise at RAN base HMAS Stirling, April 12, 2022. Springfield is currently on patrol in support of national security in the 7th Fleet area of operations. (U.S. Navy video by Mass Communication Specialist 2nd Class Chase Stephens/Released)