
Chairman of the Joint Chiefs of Staff Air Force Gen. Dan Caine speaks to senior military leaders at Marine Corps Base Quantico in Quantico, Virginia, on Sept. 30, 2025. Andrew Harnik/Getty Images
The highest-ranking officer in the U.S. military traveled to Puerto Rico on Nov. 24 to meet with American forces stationed in the Caribbean, where the United States has ramped up its military presence to combat drug trafficking.
Joint Chiefs Chairman Gen. Dan Caine and his senior enlisted adviser, David L. Isom, visited service members supporting operations in the U.S. Southern Command area of responsibility—which includes Central America, South America, and the Caribbean—from Nov. 23 to Nov. 25, according to Caine’s office.

