82-inch

Updated: July 9, 2026

The main fortification was Fort Morgan, whose heavy guns were placed in three tiers. It mounted seven 10-inch, three 8-inch and twenty-two 32-pounder smoothbore guns and two 8-inch, two 6.5-inch and four 5.82-inch rifled guns. The exterior batteries were also heavily armed and the garrison numbered 640 men.

Edward Sylvester Ellis - Dewey and Other Naval Commanders