180514-N-NT795-640 SAN DIEGO (May 14, 2018) Sailors assigned to Coastal Riverine Squadron (CRS) 3 are underway aboard Mark VI patrol boat during unit level training provided by Coastal Riverine Group (CRG) 1's 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)