190620-M-OX257-0028 BALTIC SEA (June 20, 2019) Members of the Baltic Operations 2019 Mine Warfare Task Force 162.60.30 MCM Denmark return to the Royal Danish Navy ocean patrol vessel HDMS Thetis (F357) after detonating a submerged Mark 124 World War II-era, air-laid mine as it detonates in the Baltic Sea during exercise BALTOPS 2019. BALTOPS is an annual joint, multinational, maritime-focused military exercise designed to improve training value for participants, enhance flexibility and interoperability, and demonstrate resolve among allied and partner forces in defending the Baltic Sea region. (U.S. Marine Corps photo by Cpl. Abrey Liggins/Released)