U.S. Navy - Repair Ships
Vulcan-Class Repair Ships
The Vulcan class were the first modern, purpose-built repair ships constructed for the U.S. Navy - floating shipyards displacing over 16,000 tons, equipped with machine shops, foundries, electrical workshops, and massive stores of spare parts. Commissioned between 1941 and 1944, these four ships were the backbone of forward repair operations in both the Atlantic and Pacific theaters. Their ability to return battle-damaged warships to action in days rather than months was a decisive advantage in a war fought across vast oceanic distances. Several served on through Korea, Vietnam, and the Cold War, with careers spanning up to fifty years.
AR-5 USS Vulcan
Vulcan-Class Repair Ship
ATLANTIC
New York Navy Yard
VULCAN CLASS
1941
Commissioned
16,245
Tons
6
Battle Stars
Lead ship of the first modern class of purpose-built repair ships. Vulcan was a floating shipyard carrying machine shops, foundries, electrical shops, and enough spare parts to rebuild nearly any component of a warship at sea. Served in the Atlantic and Mediterranean during World War II, repairing battle-damaged destroyers and escorts at forward anchorages in North Africa and Italy. Continued in active service through the Cold War, finally decommissioned in 1991 after fifty years of service.
AR-6 USS Ajax
Vulcan-Class Repair Ship
PACIFIC
San Diego
VULCAN CLASS
1943
Commissioned
16,245
Tons
4
Battle Stars
Served in the Pacific Theater repairing warships at forward bases across the island-hopping campaign. Ajax operated at Ulithi, Eniwetok, and other advanced anchorages where her crews worked around the clock patching torpedo damage, replacing gun mounts, and restoring propulsion systems on ships that would have otherwise required months-long voyages to stateside shipyards. Her ability to return damaged vessels to combat in days rather than months was a decisive force multiplier.
AR-7 USS Hector
Vulcan-Class Repair Ship
PACIFIC
San Diego
VULCAN CLASS
1944
Commissioned
16,245
Tons
2
Battle Stars
Entered service in the final year of the Pacific War and immediately deployed to forward repair anchorages supporting the fleet during the campaigns for the Philippines and Okinawa. Hector remained in active service through the Korean and Vietnam Wars, providing repair support at Sasebo, Yokosuka, and Subic Bay. One of the longest-serving Vulcan-class ships, she was a fixture of the Pacific Fleet's logistics train for over four decades before decommissioning in 1987.
AR-8 USS Jason
Vulcan-Class Repair Ship
PACIFIC
Pearl Harbor
VULCAN CLASS
1944
Commissioned
16,245
Tons
1
Battle Star
Last of the Vulcan class, Jason deployed to the Western Pacific in the closing months of World War II. Named for the hero of Greek mythology who led the Argonauts, she carried on through decades of Cold War service maintaining the readiness of the Pacific Fleet. Operated from Pearl Harbor, Subic Bay, and various Western Pacific ports, her skilled crew of machinists, welders, and technicians keeping warships combat-ready far from home. Decommissioned in 1995.
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4
Ships Built
16,245
Tons Each
13
Battle Stars