180221-N-PP197-0032 PACIFIC OCEAN (Feb. 21, 2018) The Arleigh Burke-class guided-missile destroyer USS O’Kane (DDG 77) transits the Pacific Ocean during an exercise testing at-sea refueling capabilities with a Mark VI patrol craft, assigned to Coastal Riverine Group (CRG) 1, Det. Guam. CRG 1, Det. Guam is capable of conducting maritime security operations across the full spectrum of naval, joint and combined operations. Further, it provides additional capabilities of port security, embarked security, and theater security cooperation around the U.S. 7th Fleet area of operations. (U.S. Navy photo by Mass Communication Specialist 1st Class Stacy D. Laseter/Released)