Chief Warrant Officer Nathan Barnes, the electronics material officer, discusses the Coast Guard Cutter Calhoun’s namesake, homeport and missions at Naval Station Mayport, Florida, Dec. 1, 2023. The cutter, named after Master Chief Petty Officer Charles Calhoun, is the Coast Guard’s 10th national security cutter and is homeported in Charleston, South Carolina. (U.S. Coast Guard video by Petty Officer 1st Class Ryan Dickinson)