Staff Sgt. Johnathon Barton, the 28th Medical Support Squadron noncommissioned officer in charge of central operations, inserts a needle into himself to show how to properly inject one during a training exercise at the 28th Medical Group laboratory at Ellsworth Air Force Base, S.D., Dec. 4, 2018. Phlebotomists-in-training can intern at the base clinic to get hands on experience for their degree. (U.S. Air Force photo by Airman 1st Class Nicolas Z. Erwin)
Airman 1st Class Nicolas Z. Erwin
2018-12-04
<a rel="nofollow" class="external free" href="https://www.ellsworth.af.mil/News/Photos/igphoto/2002079837/">https://www.ellsworth.af.mil/News/Photos/igphoto/2002079837/</a>