150316-N-ZE250-110 MEDITERRANEAN SEA Sailors prepare to launch a SH-60 Seahawk helicopter, assigned to Helicopter Maritime Strike Squadron 46, from the flight deck of USS Jason Dunham during a passing exercise with the Montenegrin navy March 16, 2015. Jason Dunham, an Arleigh Burke-class guided-missile destroyer, homeported in Norfolk, is conducting naval operations in the U.S. 6th Fleet area of operations in support of U.S. national security interests in Europe.