170710-N-CJ185-1492 GUAM (July 10, 2017) A Mark VI patrol boat assigned to Coastal Riverine Group (CRG) 1, Detachment Guam, conducts a medical evacuation drill with an MH-60 Sea Hawk helicopter assigned to the “Island Knights” of Helicopter Sea Combat Squadron (HSC) 25 off the coast of Guam. CRG-1 and HSC-25 are testing their interoperability capabilities to enhance their collective maritime mission. (U.S. Navy Combat Camera photo by Mass Communication Specialist 1st Class Torrey W. Lee/Released)