180611-N-XT273-967 KARLSKRONA, Sweden (June 11, 2018) Vice Adm. Lisa M. Franchetti, right, commander of U.S. 6th Fleet and Naval Striking and Support Forces NATO, and Rear Adm. Jens Nykvist, Royal Swedish Navy chief of staff, wave during a visit to the the Royal Swedish Navy Visby-class Corvette HMS Karlstad (K35) in Karlskrona, Sweden, during exercise Baltic Operations (BALTOPS) 2018. BALTOPS is the premier annual maritime-focused exercise in the Baltic Region and one of the largest exercises in Northern Europe that is designed to enhance the flexibility and interoperability among allied and partner nations. (U.S. Navy photo by Mass Communication Specialist 1st Class Justin Stumberg/Released)