Kahu Kordell Kekoa, center, performs a chant with members of Pearl Harbor Naval Shipyard observing as they stand at the water front of Pearl Harbor.

PHNSY & IMF Bless New Dry Dock

Kahu Kordell Kekoa,center, performs a traditional Hawaiian oli (chant) to bless the land, asking for protection and to foster good energy, as the Navy begins construction on a new dry dock at Pearl Harbor Naval Shipyard and Intermediate Maintenance Facility, Aug. 13, 2023. The construction of the dry dock, currently the Navy's largest facilities construction project in history, will be the first since World War II. PHNSY & IMF Bless New Dry Dock

Sunrise over Pearl Harbor Naval Shipyard & IMF

Sunrise over the Ko`olau Mountains with portal crane P-76 in the foreground.

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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!”

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LATEST NEWS

USS Illinois successfully undocks at Pearl Harbor Naval Shipyard

Virginia-class fast-attack submarine USS Illinois (SSN 786) leaves Dry Dock 2 at Pearl Harbor Naval Shipyard and Intermediate Maintenance Facility (PHNSY & IMF), June 24, 2026, completing an important milestone in the submarine’s scheduled lifecycle maintenance period. Commissioned Oct. 29, 2016, Illinois is the 13th Virginia-class submarine. It is the second U.S. Navy ship to be named for the state of Illinois. Illinois is assigned to Submarine Squadron 1 and is capable of supporting various missions, including anti-submarine warfare; anti-surface ship warfare; strike warfare; special operations forces support; and intelligence, surveillance, and reconnaissance. PHNSY & IMF’s mission is to keep the Navy’s fleet “Fit to Fight

July 7, 2026 - Pearl Harbor Naval Shipyard and Intermediate Maintenance Facility (PHNSY & IMF) successfully undocked Virginia-class fast-attack submarine USS Illinois (SSN 786), June 24, 2026, completing an important milestone in the submarine’s scheduled lifecycle maintenance period.

USS Colorado returns to Fleet from maintenance ahead of schedule, accelerating Pacific readiness

Virginia-class fast-attack submarine USS Colorado (SSN 788) returns from sea trials during a maintenance period at Joint Base Pearl Harbor-Hickam, June 6, 2026. Pearl Harbor Naval Shipyard and Intermediate Maintenance Facility (PHNSY & IMF) and Colorado’s crew completed the scheduled maintenance period on June 10, 2026, 29 days ahead of schedule, returning to the fleet lethal and ready to defend the nation. Commissioned March 17, 2018, at Naval Submarine Base New London, Colorado is the 15th Virginia-class fast-attack submarine and fifth Block III submarine of the class. Colorado is assigned to Submarine Squadron 7 and is capable of supporting various missions, including anti-submarine warfare; anti-surface ship warfare; strike warfare; special operations forces support; and intelligence, surveillance, and reconnaissance. PHNSY & IMF's mission is to keep the Navy's fleet

June 11, 2026 - Virginia-class fast-attack submarine USS Colorado (SSN 788) completed a scheduled maintenance period at Pearl Harbor Naval Shipyard and Intermediate Maintenance Facility (PHNSY & IMF) 29 days ahead of schedule June 10, 2026.

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.