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The short version

  • The USS Silversides traveled across Lake Michigan to Sturgeon Bay for essential structural repairs and maintenance.
  • The vessel had not undergone dry dock procedures in over fifty years, raising concerns about its aging steel hull.
  • Funded by grants and donations, the restoration aims to preserve the submarine as an educational resource for future generations.

A prominent World War II-era submarine has completed a significant transit across Lake Michigan to begin an extensive preservation project. The USS Silversides, a Gato-class vessel known for its combat record in the Pacific Theater, arrived at a shipyard in Sturgeon Bay, Wisconsin. This move marks the start of a multimillion-dollar effort to address decades of deferred maintenance on the historic warship.

The submarine has served as a museum attraction in Muskegon, Michigan, since the 1980s. However, the vessel had not been lifted out of the water for structural inspection in more than fifty years. Industry standards typically recommend such dry dock repairs every twenty-five to thirty years to ensure structural integrity. The extended gap between maintenance cycles prompted museum officials and preservation experts to initiate this comprehensive overhaul.

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The journey itself required specialized logistical support. Because the submarine’s propellers were removed long ago, it lacks the ability to move under its own power. Two tugboats assisted in towing the 312-foot vessel across the 113-mile route. The transit took approximately sixteen hours, moving the heavy steel hull from its long-term home in Muskegon to the facilities of Fincantieri Bay Shipbuilding.

Once secured at the shipyard, crews began a thorough assessment of the submarine’s condition. The restoration plan includes sandblasting the exterior to remove corrosion and invasive zebra mussels that have attached themselves to the hull over the years. Workers will then apply protective coatings to prevent further deterioration. This process is critical for preserving the physical structure of the vessel, which has been exposed to freshwater elements for decades.

The financial backing for this project comes from a combination of public and private sources. A grant from the National Park Service contributes to the estimated $3.5 million cost. The USS Silversides Submarine Museum is actively fundraising to cover the remaining expenses. This collaborative funding model highlights the ongoing challenge of maintaining large historical artifacts without relying solely on government support.

Preservation specialists view this work as an opportunity to secure the submarine’s legacy. Repair project managers noted the rarity of working on a vessel of this age and historical significance. The hands-on nature of the restoration allows experts to document the condition of the ship while simultaneously reinforcing its structure. This dual focus on conservation and education is central to the museum’s mission.

The USS Silversides holds a distinguished place in naval history. Commissioned shortly after the attack on Pearl Harbor, it participated in fourteen successful war patrols against Japanese forces. The vessel earned twelve battle stars and the Presidential Unit Citation for its service. It is recognized as one of the top three decorated submarines from World War II, making its preservation a matter of historical importance.

Among the few remaining submarines from that era, the Silversides is unique in its status as a surviving example of this highly decorated class. While other vessels like the USS Cobia also serve as museum ships, the Silversides remains one of only three top-decorated subs still existing. Its continued operation as a public exhibit depends on the success of these current repairs.

The restoration work is scheduled to conclude in October. Upon completion, the submarine will be towed back to Muskegon. Visitors will once again have access to the interior spaces, allowing them to experience the conditions faced by crew members during the war. Museum leaders emphasize that this physical connection helps convey the reality of World War II to new audiences.

This project underscores the broader challenges facing maritime heritage sites. Maintaining large metal structures in water environments requires constant vigilance and significant financial resources. The successful completion of this dry dock period will likely extend the operational life of the USS Silversides, ensuring it remains a tangible link to the past for years to come.

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  • Smithsonian Magazine↗This World War II Submarine Noted for Sinking Enemy Ships Just Journeyed Across Lake Michigan for a Multimillion-Dollar Makeover