Did a quick scan on Port Canaveral, came up with this, SLNC YORK. Her list of port calls is rather intriguing, no? Operator comes up as "Dome Chartering & Trading Corp" SLNC stands for "Schuyler Line Navigation Company. Schuyler Line Navigation Company, LLC (SLNC) offers ocean transportation of various U.S. government approved bulk/break bulk cargoes from the USA to Guantanamo Bay, Cuba.
Schuyler Line provides regularly scheduled liner transportation for U.S. government transportation of authorized government and military cargo to Guantanamo Bay. SLNC is the exclusive carrier for US Government cargoes going to/from Guantanamo Bay. We are the only carrier that sails from Jacksonville/Blount Island, FL (JaxPort/CONUS) every other Friday and on a regular 14 day sailing schedule.
https://www.schuylerline.com/cuba-liner-service/