Staff Sgt. Lauren Spacher
Staff Sgt. Lauren Spacher, Medical Material Specialist, practices donning her gas mask correctly at Yokota Air Base, Japan, August 8, 2018. Yokota hosted the Medical Management of Chemical and Biological Casualties Short Course, which was a joint, bi-lateral training course for service members from all over the Pacific region.
(U.S. Air Force photo by Staff Sgt. Justin Carnahan)