170710-N-ON977-0016 GUAM (July 10, 2017) Aviation Warfare Systems Operator 1st Class Marcus Monreal, assigned to the “Island Knights” of Helicopter Sea Combat Squadron (HSC) 25, participates in a medical evacuation drill with a Mark VI patrol boat off the coast of Guam. CRG-1 and HSC-25 are testing their interoperability capabilities to enhance their collective maritime mission. (U.S. Navy photo by Mass Communication Specialist 2nd Class Alfred A. Coffield/Released)