LONG BEACH, Calif. (Oct. 29, 2020) Sailors assigned to Maritime Expeditionary Security Squadron (MSRON) 11 are underway aboard a Sea Ark 34-foot patrol boat during a security site survey off the coast of Long Beach, California in preparation for maritime infrastructure protection exercise. 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.)