sentences:  Heritage-class cutter
  
  The Heritage-class cutter, also known as the Offshore Patrol Cutter and the Maritime Security Cutter, Medium, is 
  one design among several new cutter designs developed as part of the United States Coast Guard Integrated Deepwater System Program.The Heritage-class cutters will perform various Coast Guard missions which include but are not limited to PWCS (Ports, Waterways, and Coastal Security), Defense Operations, Maritime Law Enforcement (Drug/migrant interdiction and other Law Enforcement), Search and Rescue, Marine Safety, and environment protection.