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Navy personnel and contractors use an endoscope to examine a water heater as part of the Navy’s Drinking Water Long-Term Monitoring program at a local residence on Joint Base Pearl Harbor-Hickam in Honolulu, Hawaii, Feb. 27, 2024. The ongoing monitoring efforts are part of the Navy’s enduring, long-term commitment to ensure the safety of the environment and public health. (U.S. Navy photo by Mass Communication Specialist Seaman Krystal Diaz)