Col. Yasutaka Matsubara, left, Japan Ground-Defense Force's Central Nuclear Biological Chemical Weapon Defense Unit commander asks Master Sgt. Sarai Gapetz, 374th Dental Squadron support flight chief a question about patient decontamination, at Yokota Air Base, Japan, Jan. 20, 2021. The decontamination demonstration showcased Yokota's medical procedures in the event of a chemical biological radiological nuclear warfare outbreak.

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