Patti James, a 28th Medical Support Squadron medical laboratory technologist, pours a plasma sample into a vial at Ellsworth Air Force Base, S.D., Dec. 4, 2018. The 28th Medical Group lab mails different medical samples to other military bases and civilian laboratories around the United States for in-depth analysis. (U.S. Air Force photo by Airman 1st Class Nicolas Z. Erwin)