A fully restored cannon on a reproduction carriage and concrete base at Fort Jefferson in the Dry Tortugas National Park Jan. 17. Air Force reservists both active and retired from Homestead Air Reserve Base’s 482nd Civil Engineer Squadron gathered at Fort Jefferson over several days in January to participate in a maintenance project for the National Park Service. 15 active reservists, six retired reservists, and one civilian contractor set up shop at Fort Jefferson as a training mission. The main project of the training was the construction of four reinforced concrete bases for large, 24-ton restored cannons to replicate the historical weapon's footprint. (U.S. Air Force photo/Ross Tweten)
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