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ALOHA!

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As the nation's largest, most comprehensive U.S. Navy fleet repair and maintenance facility between the U.S. West Coast and the Far East, we provide a fleet that's capable, ready and “Fit to Fight!”

We are the Nō Ka `Oi Shipyard!

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The Rigger's Crucible: How Hands-On Training Builds a Professional
Leslie Bovaird, lead nuclear engineer and Executive Leadership Development (EDP) Cadre A 2026 participant at Pearl Harbor Naval Shipyard and Intermediate Maintenance Facility lowers a pipe using a chain-fall during a training exercise at the Learning Center on March 24, 2026. The exercise provides a glimpse into the multi-year training pipeline that develops skilled riggers and gives future leaders a perspective of the craft that is a staple of shipyard life. 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 Kenny Jones)
May 7, 2026 - Amidst a maze of piping, cables, and tight submarine passageways, an electric motor suspended inches from the deck makes its way towards its new location. A team of skilled shipyard workers executes a seamless dance of communication and physics to move the heavy motor through a tight scuttle. Swinging the motor between two chain-falls, the way Tarzan moves through the jungle canopy, each line takes the load in turn, every move purposeful, each person in sync as the load shifts between chains. These men and women are known as riggers, and they are the experts at Pearl Harbor Naval Shipyard and Intermediate Maintenance Facility when something needs to be moved safely and efficiently, no matter the size.

Nuclear Welder Earns Prestigious George S.B. Walters Shipyard Service Award
JOINT BASE PEARL HARBOR-HICKAM, Hawaii — From left, Stephen Umeno, a nuclear welder, strikes an arc in the weld booth (behind the curtain) during a welding training qualification with Brad Morikawa, right, the nuclear welder supervisor, observing his technique in a Pearl Harbor Naval Shipyard and Intermediate Maintenance Facility weld shop Jan. 30, 2026.

Nuclear welders are highly skilled tradespeople who specialize in fusing metals to maintain the integrity of critical naval systems. The critical work of a nuclear welder begins with methodical preparation, whether setting up a weld booth or a jobsite, they are continuously training, obtaining and maintaining certifications to be operate a peak performance.

PHNSY & IMF’s mission is to keep the Navy’s fleet “Fit to Fight
Feb. 27, 2026 - A Pearl Harbor Naval Shipyard and Intermediate Maintenance Facility nuclear welder was honored with the 2025 George S. B. Walters Service Award by the Honolulu Council of the Navy League of the United States for his significant contributions in support of the U.S. Navy at the shipyard on Joint Base Pearl Harbor-Hickam Jan. 23, 2026. The recipient, Brad K. Morikawa, a welder in the Nuclear Pipe Welding Shop, expressed surprise and gratitude after the presentation.

PHNSY & IMF hosts annual Knowledge Share Fair
PEARL HARBOR, Hawaii (Jan. 22, 2026) – Code 135 Nondestructive Testing (NDT) Training Supervisor Kimberly Yuruki (Left) and Code 135 NDT Inspector Apprentice Chelsea Barrier (Right) demonstrate Magnetic Particle Dry inspection at the Pearl Harbor Naval Shipyard and Intermediate Maintenance Facility (PHNSY & IMF) 2026 Knowledge Share Fair (KSF). The KSF is an annual event where employees from across the shipyard come together to learn about each other’s jobs and processes to foster a “Culture of Excellence” and endorse the spirit of Aloha at the shipyard. PHNSY & IMF is the largest, most comprehensive U.S. Navy fleet repair and maintenance facility between the U.S. West Coast and the Far East and provides a capable, ready and
Jan. 26, 2026 - An unusually cool hawaiian day, with dark clouds threatening in the distance, didn’t stop the droves of shipyard workers from putting down their tools and checking out the annual Knowledge Share Fair put on by Pearl Harbor Naval Shipyard and Intermediate Maintenance Facility.

USS Oklahoma Sailors and Marines Honored on 84th Anniversary of Pearl Harbor
Kalāheo High School Navy Junior Reserve Officer Training Corps (NJROTC) present colors at the USS Oklahoma Memorial ceremony, Joint Base Pearl Harbor-Hickam, Dec. 7, 2025. Pearl Harbor Navy Yard (now Pearl Harbor Naval Shipyard and Intermediate Maintenance Facility) workers helped to save 32 Sailors and Marines from Oklahoma on the day of the attack on Pearl Harbor on Dec. 7, 1941. 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 Lauren Matakas Arita)
Dec. 7, 2025 - As part of the annual commemoration of the attack on Pearl Harbor, the U.S. Navy and the National Park Service held a ceremony at the USS Oklahoma Memorial on Ford Island Dec. 7, 2025, honoring the Sailors and Marines who were aboard USS Oklahoma (BB 37) on the “day that will live in infamy.”

Engineering the Future – University of Hawai’i students find real-world experience at Pearl Harbor Naval Shipyard
King Joash (KJ) Rumbaoa, a student from the University of Hawaii Manoa, pours Versathane, a urethane resin, into molds under the watchful eye of Dean Tamaki, a painter at Pearl Harbor Naval Shipyard and Intermediate Maintenance Facility, on Oct. 24, 2025. The Cooperative Education Program is a partnership between the University of Hawaiʻi and PHNSY & IMF that provides engineering students with a semester of invaluable, hands-on shipyard experience. 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 Kenny Jones)
Dec. 5, 2025 - Miyamoto and Rumbaoa are full-time engineering students at the University of Hawaiʻi at Mānoa enrolled in the Cooperative Education Program (co-op) with Pearl Harbor Naval Shipyard and Intermediate Maintenance Facility. The program allows students to participate in an elective that offers an early look at where their studies can lead.

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