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We love forts, especially the huge brick ones built before the Civil War. They are three dimensional history books, great for touring, exploring and crawling around. It’s like going back in time. Referred to as Second and Third System forts, they were the space shuttle programs of their day.
Out of the interior darkness, a 32 pounder cannon is positioned at its firing port at Fort Pickens, FL. Second and Third System brick forts were engineering marvels and several features can be seen here. The arch over the gun strengthens the walls around it and makes it less likely to collapse. Different brick patterns were used to strengthen specific areas depending on the forces they would be subjected to. The inward angle of the firing port gives the defenders good fields of observation and fields of fire, while limiting that of the attackers. Inside, the cannon was mounted on a semi-circular rail, so that it could be traversed right to left as needed. The rail allowed the gun to be moved smoothly by just a few men even though it weighed several tons.
This cannon would have been used to defend the fort against a land attack. The anti-ship batteries mounted on the seaward walls were huge. They could fire shells up to 15″ in diameter up to three miles away. Some of these forts fought furious battles, including the aforementioned Fort Pickens. Many others saw no action at all. Some became famous for other reasons – such as Alcatraz.
Many of these forts are now part of the National Park Service. Still others are maintained by the states. In addition to the history and learning opportunities, forts are a steady source of NPS Passport Stamps, benchmarks, geocaches, letterboxes and munzees for us.
Cheers … Boris and Natasha