180425-N-NT795-132 SAN DIEGO (April 25, 2018) Engineman 3rd Class Reiley Pommerening, assigned to Coastal Riverine Squadron (CRS) 3, mans the .50-caliber machine gun aboard a Mark VI patrol boat during unit level training conducted by Coastal Riverine Group (CRG) 1 Training and Evaluation Unit. CRG-1 provides a core capability to defend designated high value assets throughout the green and blue-water environment and providing deployable adaptive force packages worldwide in an integrated, joint and combined theater of operations. (U.S. Navy photo by Chief Boatswain’s Mate Nelson Doromal Jr./Released)