Family photos and a map of states’ visited stay pinned to the desk of Airman 1st Class Ling Yu, 66th Comptroller Squadron financial accounting technician, at Hanscom Air Force Base, Mass., Aug. 10. Yu came to the U.S. in 2013 while her husband served in the Army before enlisting herself in the Air Force in 2020. (U.S. Air Force photo by Lauren Russell)