A U.S. Marine shoots an M16A4 service rifle during a combat marksmanship event on the flight deck of the USS San Antonio as it crosses the Atlantic Ocean, May 31, 2015, on its way to Baltic Operations 2015. Seventeen NATO and partner nations will participate in the 43rd iteration of the multinational maritime exercise in Poland, Sweden, Germany and throughout the Baltic Sea, June 5-20, 2015. The Marine is assigned to Charlie Company, 1st Battalion, 6th Marine Regiment. A U.S. Marine shoots an M16A4 service rifle during a combat marksmanship event on the flight deck of the USS San Antonio as it crosses the Atlantic Ocean, May 31, 2015, on its way to Baltic Operations 2015. Seventeen NATO and partner nations will participate in the 43rd iteration of the multinational maritime exercise in Poland, Sweden, Germany and throughout the Baltic Sea, June 5-20, 2015. The Marine is assigned to Charlie Company, 1st Battalion, 6th Marine Regiment. SHARE: Download: Full Size (5.24 MB) Tags: Photo Essays Credit: VIRIN: 166711-H-ZKU24-824.jpg Photo Gallery