180220-N-NT795-161 SAN DIEGO (February 20, 2018) Gunner’s Mate 2nd Class Kelsey O’Keefe, a native of Aurora, Colorado assigned to Coastal Riverine Squadron (CRS) 3 manned the starboard-aft M240 machine gun aboard MKVI 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)