191106-N-UP025-001 SAN DIEGO (Nov. 6, 2019) A Mk 18 Mod 1 Swordfish unmanned underwater vehicle operates underway in San Diego Bay during an expeditionary mine countermeasures training and subject matter expert (SME) exchange with the Republic of Korea’s Navy Special Warfare Flotilla (ROK NSWF) at Explosive Ordnance Disposal (EOD) Mobile Unit One in San Diego, Calif. The SME exchange is focused on emboldening partner capabilities and improving interoperability between U.S. Navy EOD and ROK NSWF in response to traditional and non-traditional maritime security challenges in the Indo-Pacific region. (U.S. Navy photo by Lt. Kara Handley/Released)