Chief Master Sgt. Melissa Royster, 22nd Air Refueling Wing command chief, receives her first round of the COVID-19 vaccine Jan. 22, 2021, at McConnell Air Force Base, Kansas. The vaccine is currently voluntary for all Department of Defense personnel including active duty, Guard/Reserve, retirees, family members, civilian employees and selected DOD contracted personnel. (U.S. Air Force photo by Senior Airman Alan Ricker)
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