Harbor residents of and will see increased law enforcement activity this Wednesday and Thursday as area emergency responders participate in a 2-day U.S. Coast Guard lead counterterrorism exercise. The exercise is designed to test the Area Maritime Security Plan that was mandated by the Maritime Security Transportation Act of 2002 (MTSA). The exercise will take place in both the Ports of Los Angeles and and include simulated bombings that law enforcement and fire agencies will respond to in real-time. The U.S. Coast Guard, FBI, Customs and Border Protection, Immigration and Customs Enforcement, Los Angeles County Sheriff's Departmentā¦