SEAL BEACH, Calif. (Sept. 18, 2020) Sailors assigned to Maritime Expeditionary Security Squadron (MSRON) 11, conduct a towed and be-towed exercise during a navigation check ride (NCR) assessment as part of unit level training readiness assessment-certification (ULTRA-C) provided by Maritime Expeditionary Security Group (MESG) 1 Training and Evaluation Unit (TEU). The Maritime Expeditionary Security 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.)