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The 673d Operational Medical Readiness Squadron patch is worn by an Airman assigned to the 673d Medical Group during Exercise Ultimate Caduceus (UC23) on Joint Base Elmendorf-Richardson, Alaska, March 13, 2023. UC23 emphasizes interoperability in bringing together all elements of the global patient movement enterprise in peacetime to be prepared for any crisis. (U.S. Air Force photo by Airman 1st Class J. Michael Peña)