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Donald Thompson, an air conditioning equipment mechanic with Pearl Harbor Naval Shipyard and Intermediate Maintenance Facility, observes another mechanic demonstrate how to adjust a refrigeration thermal expansion valve on a training device, Feb. 24, 2026. Thompson assesses mechanics to ensure they can troubleshoot and not just replace parts. PHNSY & IMF’s mission is to keep the Navy’s fleet “Fit to Fight” by repairing, maintaining, and modernizing the Navy's fast-attack submarines and surface ships. Strategically located in the heart of the Pacific, it is the most comprehensive fleet repair and maintenance facility between the U.S. West Coast and the Far East.
260224-N-GC612-2007.JPG Photo By: Michael Wilson

JOINT BASE PEARL HARBOR-HICKAM, Hawaii - PEARL HARBOR, Hawaii (Feb. 24, 2026) – Donald Thompson, an air conditioning equipment mechanic with Pearl Harbor Naval Shipyard and Intermediate Maintenance Facility, observes another mechanic demonstrate how to adjust a refrigeration thermal expansion valve on a training device, Feb. 24, 2026. Thompson assesses mechanics to ensure they can troubleshoot and not just replace parts. PHNSY & IMF’s mission is to keep the Navy’s fleet “Fit to Fight” by repairing, maintaining, and modernizing the Navy's fast-attack submarines and surface ships. Strategically located in the heart of the Pacific, it is the most comprehensive fleet repair and maintenance facility between the U.S. West Coast and the Far East. (U.S. Navy photo by Mike Wilson)


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