190613-N-N1604-1003 BALTIC SEA (June 13, 2019) Spanish marines aboard the Spanish navy Alvaro de Bazan-class frigate Cristobal Colon (F 105) conducts a small caliber firing exercise during Baltic Operations (BALTOPS) 2019 exercise. BALTOPS is the premier annual maritime-focused exercise in the Baltic Region, marking the 47th year of one of the largest exercises in Northern Europe enhancing flexibility and interoperability among allied and partner nations. (U.s. Navy photo courtesy of the Spanish navy by BLT. Joaquin Garat Loureiro/Released)