190808-N-NT795-137 SAN DIEGO (Aug. 8, 2019) Sailors assigned to Coastal Riverine Squadron (CRS) 3 and Coast Guardsmen from U.S. Coast Guard Sector San Diego, conduct joint medical evacuation exercises aboard a Mark VI patrol boat as part of unit level training provided by Coastal Riverine Group (CRG) 1 Training and Evaluation Unit. The Coastal Riverine Force is a core Navy capability that provides port and harbor security, high value asset security, and maritime security in the coastal and inland waterways. (U.S. Navy photo by Chief Boatswain’s Mate Nelson Doromal Jr./Released)