180612-N-NT795-800 IMPERIAL BEACH, Calif. (June 12, 2018) Force Master Chief of Navy Expeditionary Combat Command James Herdel, right, speaks with Coastal Riverine Group (CRG) 1's Chief's Mess during his visit to Naval Outlying Landing Field Imperial Beach, Calif. 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 (AFP) worldwide in an integrated, joint and combined theater of operations. (U.S. Navy photo by Chief Boatswain’s Mate Nelson Doromal Jr./Released)