Drydock Number One, Norfolk Naval Shipyard, Historic drydock in Portsmouth, United States.
Drydock Number One is a vessel maintenance facility at Norfolk Naval Shipyard built from granite blocks arranged in stepped tiers for ship repairs. The structure extends approximately 319 feet and allows ships to be lifted out of the water for servicing.
The structure was built between 1827 and 1834 and became the first operational facility of its kind in the United States. It set standards for how naval shipyards would be designed and built across the nation.
The facility shows how naval vessels were serviced in the early days of American maritime tradition. Visitors can still see the craftsmanship and engineering approach that shaped how ships were maintained back then.
The site is located within an active naval shipyard and public access is limited. Check ahead to learn what areas you can visit and whether guided tours are available before arriving.
Nearly two centuries after its construction, the facility still lifts naval vessels out of the water for regular maintenance. Despite modern technology being available, the Navy continues to rely on this original 19th-century installation.
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