171112-N-MT837-0197 PACIFIC OCEAN (Nov. 12, 2017) An MH-60R Sea Hawk helicopter assigned to the “Blue Hawks” of Helicopter Maritime Strike Squadron (HSM) 78 launches a sonobuoy during anti-submarine warfare training. Members of Carrier Strike Group (CSG) 1 are participating in a sustainment training exercise in preparation for an upcoming deployment. (U.S. Navy photo by Mass Communication Specialist Seaman Dylan M. Kinee/Released)