U.S. Air Force Tech. Sgt. John Matlock, the 673d Medical Group chief enlisted executive assistant, and U.S. Air Force Staff Sgt. Alex Shuttleworth, the 673d Operational Medical Readiness Squadron noncommissioned officer in charge of radiation element, hand out bone marrow registration envelopes to unit representatives at Joint Base Elmendorf-Richardson, Alaska, May 10, 2021. JBER is hosting a bone marrow registry drive May 17 to 28 to register JBER personnel through the C.W. Bill Young Department of Defense Bone Marrow Program.