Boarding Line Marines and personnel with the State Department's Diplomatic Security Service board an MV-22 Osprey during a quick reaction force rehearsal aboard the USS Iwo Jima in the Caribbean Sea, Jan. 30, 2026. U.S. military forces are deployed to the Caribbean in support of the U.S. Southern Command mission, War Department-directed operations and President Donald J. Trump's priorities to disrupt illicit drug trafficking and protect the homeland. SHARE: Download: Full Size (1.32 MB) Tags: southcom, southern command, marine corps, southern spear Credit: Marine Corps VIRIN: 260130-N-FN990-1011Y.JPG Photo Gallery