NATO and partner nation ships participate in close-quarters ship maneuvering drills during exercise Baltic Operations (BALTOPS) 2015. BALTOPS is an annually recurring multinational exercise designed to enhance flexibility and interoperability, as well as demonstrate resolve of Allied and partner forces to defend the Baltic region. The ships shown are (front to back): * Royal Canadian Navy frigate HMCS "Fredericton" (FFH 337), * German Navy frigate "Lübeck" (F 214), * Royal Danish Navy frigate "Niels Juel" (F363), * Swedish Navy corvette HMS "Malmö" (K12).