Qualla: USS Cairo

USS Cairo: Introduction

Fri, 06 Feb 2026 00:00:00 GMT

Photo credit Dsdugan, CC0. On December 12, 1862, the ironclad gunboat USS Cairo was clearing mines from the Yazoo River when a jolt ran through her hull. Confederate volunteers hiding behind the riverbank had detonated a torpedo by hand, and the Cairo sank in twelve minutes. No one aboard was killed, but the ship made history: she was the first vessel ever destroyed by a remotely detonated mine. Then the river swallowed her. Silt and sand buried the wreck so completely that within a generation, no one could say exactly where she lay. It took nearly a century, a magnetic compass, and a determined National Park Service historian to bring the Cairo back from the dead.

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Image: Dsdugan | CC0

USS Cairo: Built for a River War

Fri, 06 Feb 2026 00:00:00 GMT

Photo credit TradingCardsNPS, CC BY 2.0. James Eads and Company built the Cairo in 1861 at Mound City, Illinois, under contract to the United States Department of War. She was the lead ship of the City-class casemate ironclads, a fleet of armored gunboats designed specifically for the shallow, winding rivers of the West...

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Image: TradingCardsNPS | CC BY 2.0

USS Cairo: From Memphis to the Yazoo

Fri, 06 Feb 2026 00:00:00 GMT

Photo credit Renelibrary, CC BY-SA 4.0. The Cairo saw action across the Western rivers through 1862. She helped occupy Clarksville, Tennessee, in February and Nashville later that month. In April she escorted mortar boats in the long operations against Fort Pillow, and after Confederate defenders abandoned the fort on ...

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Image: Renelibrary | CC BY-SA 4.0

USS Cairo: A Century Beneath the Mud

Fri, 06 Feb 2026 00:00:00 GMT

Photo credit various, Public domain. The Yazoo River proved a remarkable preservative. Impacted in mud, the Cairo became a sealed time capsule. Corrosion and biological degradation halted. Weapons, ammunition, personal gear, naval stores -- all were locked in place as if the crew had just stepped away. But the wreck...

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Image: various | Public domain

USS Cairo: Raised in Pieces

Fri, 06 Feb 2026 00:00:00 GMT

Photo credit Jonathunder, Public domain. The dream of lifting the Cairo intact shattered in October 1964 when three-inch cables sliced into her wooden hull during the salvage attempt. The decision was made to cut the ironclad into three sections. By December, the battered remains rode barges to Vicksburg, then continued...

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Image: Jonathunder | Public domain

USS Cairo: A Time Capsule on Display

Fri, 06 Feb 2026 00:00:00 GMT

Photo credit Dsdugan, CC0. The artifacts recovered from the Cairo constitute one of the most complete collections of Civil War naval material in existence. Weapons, ammunition, naval stores, and the personal belongings of ordinary sailors -- including a rope knife found in excellent condition -- now line t...

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Image: Dsdugan | CC0