JAPAN
Dr. Callie Oldfield, 374th Civil Engineer Squadron environmental scientist, holds filtered water from a water filtration system at Yokota Air Base, Japan.

(Staff Sgt. Manuel G. Zamora, U.S Air Force)

Dr. Callie Oldfield, 374th Civil Engineer Squadron environmental scientist, holds filtered water from a water filtration system at Yokota Air Base, Japan, May 14, 2025. The filtration system can process up to seven gallons of contaminated liquid per minute and will be used to filter Per- and Polyfluoroalkyl Substances from affected areas across the installation.

The best stories from the Pacific, in your inbox

Sign up for our weekly newsletter of articles from Japan, Korea, Guam, and Okinawa with travel tips, restaurant reviews, recipes, community and event news, and more.

Sign Up Now