180312-N-NT795-354 SAN DIEGO (March 15, 2018) Sailors assigned to Coastal Riverine Squadron (CRS) 3 lowers the mast to install navigational lights aboard a MKVI patrol boat during an anchoring evolution as part of unit level training conducted by Coastal Riverine Group (CRG) 1 Training and Evaluation Unit. CRG provides a core capability to defend designated high value assets throughout the green and blue-water environment and providing deployable Adaptive Force Packages (AFP) worldwide in an integrated, joint and combined theater of operations. (U.S. Navy photo by Chief Boatswain’s Mate Nelson Doromal Jr/Released)