One of the World's Oldest Military Ships Is Sailing Down a River

There is something beautiful about old ships and the sheer mechanical ingenuity to keep them working. In the U.S. Navy, the average ship lifespan is currently 18.2 years, with 36 years being the generally accepted maximum service life, although some ships will sail longer. Globally, the average commercial ship is

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10 Oldest Naval Vessels of the World that are still in service

10 Oldest Naval Vessels of the World that are still in service

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