MARINE CORPS BASE CAMP BLAZ (April 18, 2022) Anselmo Andrada, the water treatment supervisor for DZSP 21, left, tests a water sample during an annual well inspection for various sites at Marine Corps Base Camp Blaz, Guam, April 18, 2022. A regulatory inspection was conducted by the Guam EPA to test drinking water wells to ensure the base is in compliance with the Safe Drinking Water Act. (U.S. Marine Corps photo by Gunnery Sgt. Rubin J. Tan)