Polish Rear Adm. Piotr Stocki, commandant, Maritime Regional Unit of the Polish Border Guards, or "Straz Graniczna", briefs U.S. Navy Vice Adm. Frank C. Pandolfe, commander, U.S. Sixth Fleet and commander, Striking and Support Forces NATO, along with Polish Rear Adm. Ryszard Demczuk, Polish Navy chief of Training, while touring facilities at Gdynia Naval Base during an official visit to Poland. Vice Adm. Pandolfe's visit coincided with the start of the largest international maritime exercise in the Baltic Sea, BALTOPS, which marks its 40th anniversary this year. Participants from 12 countries are participating in the exercise, June 1-16, including Denmark, Estonia, France, Georgia, Germany, Latvia, Lithuania, the Netherlands, Poland, Russia, Sweden and the United States.